Home / 15,285.39-22,913.46-9,721.50

Finding the Fourth Proportional to 15,285.39, 22,913.46 and 9,721.50

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Solution

The fourth proportional to 15,285.39, 22,913.46 and 9,721.50 is: 14,572.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,285.39 : 22,913.46 = 9,721.50 : x
  2. Step 2: Convert to fraction form
    15,285.39/22,913.46 = 9,721.50/x
  3. Step 3: Cross multiply
    15,285.39x = 22,913.46 × 9,721.50
  4. Step 4: Simplify right side
    15,285.39x = 222,753,201.39
  5. Step 5: Solve for x
    x = 222,753,201.39/15,285.39
  6. Step 6: Final answer
    x = 14,572.95

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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.