Home / 12,557.89-17,330.10-6,893.16

Finding the Fourth Proportional to 12,557.89, 17,330.10 and 6,893.16

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Solution

The fourth proportional to 12,557.89, 17,330.10 and 6,893.16 is: 9,512.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,557.89 : 17,330.10 = 6,893.16 : x
  2. Step 2: Convert to fraction form
    12,557.89/17,330.10 = 6,893.16/x
  3. Step 3: Cross multiply
    12,557.89x = 17,330.10 × 6,893.16
  4. Step 4: Simplify right side
    12,557.89x = 119,459,221.91
  5. Step 5: Solve for x
    x = 119,459,221.91/12,557.89
  6. Step 6: Final answer
    x = 9,512.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.