Home / 15,428.46-23,139.76-7,523.04

Finding the Fourth Proportional to 15,428.46, 23,139.76 and 7,523.04

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Solution

The fourth proportional to 15,428.46, 23,139.76 and 7,523.04 is: 11,283.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,428.46 : 23,139.76 = 7,523.04 : x
  2. Step 2: Convert to fraction form
    15,428.46/23,139.76 = 7,523.04/x
  3. Step 3: Cross multiply
    15,428.46x = 23,139.76 × 7,523.04
  4. Step 4: Simplify right side
    15,428.46x = 174,081,340.07
  5. Step 5: Solve for x
    x = 174,081,340.07/15,428.46
  6. Step 6: Final answer
    x = 11,283.13

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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.