Home / 13,237.41-18,271.73-8,521.70

Finding the Fourth Proportional to 13,237.41, 18,271.73 and 8,521.70

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Solution

The fourth proportional to 13,237.41, 18,271.73 and 8,521.70 is: 11,762.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,237.41 : 18,271.73 = 8,521.70 : x
  2. Step 2: Convert to fraction form
    13,237.41/18,271.73 = 8,521.70/x
  3. Step 3: Cross multiply
    13,237.41x = 18,271.73 × 8,521.70
  4. Step 4: Simplify right side
    13,237.41x = 155,706,067.57
  5. Step 5: Solve for x
    x = 155,706,067.57/13,237.41
  6. Step 6: Final answer
    x = 11,762.58

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Half scale
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Double scale
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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.