Home / 21,273.07-31,909.61-9,572.62

Finding the Fourth Proportional to 21,273.07, 31,909.61 and 9,572.62

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Solution

The fourth proportional to 21,273.07, 31,909.61 and 9,572.62 is: 14,358.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,273.07 : 31,909.61 = 9,572.62 : x
  2. Step 2: Convert to fraction form
    21,273.07/31,909.61 = 9,572.62/x
  3. Step 3: Cross multiply
    21,273.07x = 31,909.61 × 9,572.62
  4. Step 4: Simplify right side
    21,273.07x = 305,458,363.47
  5. Step 5: Solve for x
    x = 305,458,363.47/21,273.07
  6. Step 6: Final answer
    x = 14,358.93

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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.