Home / 9,897.24-13,658.41-5,648.21

Finding the Fourth Proportional to 9,897.24, 13,658.41 and 5,648.21

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Solution

The fourth proportional to 9,897.24, 13,658.41 and 5,648.21 is: 7,794.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,897.24 : 13,658.41 = 5,648.21 : x
  2. Step 2: Convert to fraction form
    9,897.24/13,658.41 = 5,648.21/x
  3. Step 3: Cross multiply
    9,897.24x = 13,658.41 × 5,648.21
  4. Step 4: Simplify right side
    9,897.24x = 77,145,586.09
  5. Step 5: Solve for x
    x = 77,145,586.09/9,897.24
  6. Step 6: Final answer
    x = 7,794.66

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.