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Finding the Fourth Proportional to 10,612.58, 15,921.53 and 4,035.17

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Solution

The fourth proportional to 10,612.58, 15,921.53 and 4,035.17 is: 6,053.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,612.58 : 15,921.53 = 4,035.17 : x
  2. Step 2: Convert to fraction form
    10,612.58/15,921.53 = 4,035.17/x
  3. Step 3: Cross multiply
    10,612.58x = 15,921.53 × 4,035.17
  4. Step 4: Simplify right side
    10,612.58x = 64,245,980.43
  5. Step 5: Solve for x
    x = 64,245,980.43/10,612.58
  6. Step 6: Final answer
    x = 6,053.76

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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.