Home / 13,052.52-18,008.19-7,386.71

Finding the Fourth Proportional to 13,052.52, 18,008.19 and 7,386.71

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Solution

The fourth proportional to 13,052.52, 18,008.19 and 7,386.71 is: 10,191.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052.52 : 18,008.19 = 7,386.71 : x
  2. Step 2: Convert to fraction form
    13,052.52/18,008.19 = 7,386.71/x
  3. Step 3: Cross multiply
    13,052.52x = 18,008.19 × 7,386.71
  4. Step 4: Simplify right side
    13,052.52x = 133,021,187.11
  5. Step 5: Solve for x
    x = 133,021,187.11/13,052.52
  6. Step 6: Final answer
    x = 10,191.23

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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.