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Finding the Fourth Proportional to 10,627.35, 15,943.13 and 5,953.99

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Solution

The fourth proportional to 10,627.35, 15,943.13 and 5,953.99 is: 8,932.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,627.35 : 15,943.13 = 5,953.99 : x
  2. Step 2: Convert to fraction form
    10,627.35/15,943.13 = 5,953.99/x
  3. Step 3: Cross multiply
    10,627.35x = 15,943.13 × 5,953.99
  4. Step 4: Simplify right side
    10,627.35x = 94,925,236.59
  5. Step 5: Solve for x
    x = 94,925,236.59/10,627.35
  6. Step 6: Final answer
    x = 8,932.16

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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.