Home / 13,008.28-17,951.43-7,039.93

Finding the Fourth Proportional to 13,008.28, 17,951.43 and 7,039.93

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Solution

The fourth proportional to 13,008.28, 17,951.43 and 7,039.93 is: 9,715.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,008.28 : 17,951.43 = 7,039.93 : x
  2. Step 2: Convert to fraction form
    13,008.28/17,951.43 = 7,039.93/x
  3. Step 3: Cross multiply
    13,008.28x = 17,951.43 × 7,039.93
  4. Step 4: Simplify right side
    13,008.28x = 126,376,810.60
  5. Step 5: Solve for x
    x = 126,376,810.60/13,008.28
  6. Step 6: Final answer
    x = 9,715.11

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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.