Home / 15,612.83-23,398.45-5,742.98

Finding the Fourth Proportional to 15,612.83, 23,398.45 and 5,742.98

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Solution

The fourth proportional to 15,612.83, 23,398.45 and 5,742.98 is: 8,606.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,612.83 : 23,398.45 = 5,742.98 : x
  2. Step 2: Convert to fraction form
    15,612.83/23,398.45 = 5,742.98/x
  3. Step 3: Cross multiply
    15,612.83x = 23,398.45 × 5,742.98
  4. Step 4: Simplify right side
    15,612.83x = 134,376,699.03
  5. Step 5: Solve for x
    x = 134,376,699.03/15,612.83
  6. Step 6: Final answer
    x = 8,606.82

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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.