Home / 14,666.10-21,999.15-9,125.70

Finding the Fourth Proportional to 14,666.10, 21,999.15 and 9,125.70

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Solution

The fourth proportional to 14,666.10, 21,999.15 and 9,125.70 is: 13,688.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,666.10 : 21,999.15 = 9,125.70 : x
  2. Step 2: Convert to fraction form
    14,666.10/21,999.15 = 9,125.70/x
  3. Step 3: Cross multiply
    14,666.10x = 21,999.15 × 9,125.70
  4. Step 4: Simplify right side
    14,666.10x = 200,757,643.16
  5. Step 5: Solve for x
    x = 200,757,643.16/14,666.10
  6. Step 6: Final answer
    x = 13,688.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.