Home / 14,634.81-20,191.28-9,331.34

Finding the Fourth Proportional to 14,634.81, 20,191.28 and 9,331.34

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Solution

The fourth proportional to 14,634.81, 20,191.28 and 9,331.34 is: 12,874.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,634.81 : 20,191.28 = 9,331.34 : x
  2. Step 2: Convert to fraction form
    14,634.81/20,191.28 = 9,331.34/x
  3. Step 3: Cross multiply
    14,634.81x = 20,191.28 × 9,331.34
  4. Step 4: Simplify right side
    14,634.81x = 188,411,551.10
  5. Step 5: Solve for x
    x = 188,411,551.10/14,634.81
  6. Step 6: Final answer
    x = 12,874.21

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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.