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Finding the Fourth Proportional to 10,346.54, 15,523.05 and 6,652.94

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Solution

The fourth proportional to 10,346.54, 15,523.05 and 6,652.94 is: 9,981.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,346.54 : 15,523.05 = 6,652.94 : x
  2. Step 2: Convert to fraction form
    10,346.54/15,523.05 = 6,652.94/x
  3. Step 3: Cross multiply
    10,346.54x = 15,523.05 × 6,652.94
  4. Step 4: Simplify right side
    10,346.54x = 103,273,864.83
  5. Step 5: Solve for x
    x = 103,273,864.83/10,346.54
  6. Step 6: Final answer
    x = 9,981.49

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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.