Home / 13,897.28-19,177.62-7,609.52

Finding the Fourth Proportional to 13,897.28, 19,177.62 and 7,609.52

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Solution

The fourth proportional to 13,897.28, 19,177.62 and 7,609.52 is: 10,500.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,897.28 : 19,177.62 = 7,609.52 : x
  2. Step 2: Convert to fraction form
    13,897.28/19,177.62 = 7,609.52/x
  3. Step 3: Cross multiply
    13,897.28x = 19,177.62 × 7,609.52
  4. Step 4: Simplify right side
    13,897.28x = 145,932,482.94
  5. Step 5: Solve for x
    x = 145,932,482.94/13,897.28
  6. Step 6: Final answer
    x = 10,500.79

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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.