Home / 9,174.16-12,648.29-6,619.77

Finding the Fourth Proportional to 9,174.16, 12,648.29 and 6,619.77

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Solution

The fourth proportional to 9,174.16, 12,648.29 and 6,619.77 is: 9,126.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,174.16 : 12,648.29 = 6,619.77 : x
  2. Step 2: Convert to fraction form
    9,174.16/12,648.29 = 6,619.77/x
  3. Step 3: Cross multiply
    9,174.16x = 12,648.29 × 6,619.77
  4. Step 4: Simplify right side
    9,174.16x = 83,728,762.42
  5. Step 5: Solve for x
    x = 83,728,762.42/9,174.16
  6. Step 6: Final answer
    x = 9,126.59

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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.