Home / 13,062.64-18,026.98-7,397.66

Finding the Fourth Proportional to 13,062.64, 18,026.98 and 7,397.66

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Solution

The fourth proportional to 13,062.64, 18,026.98 and 7,397.66 is: 10,209.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,062.64 : 18,026.98 = 7,397.66 : x
  2. Step 2: Convert to fraction form
    13,062.64/18,026.98 = 7,397.66/x
  3. Step 3: Cross multiply
    13,062.64x = 18,026.98 × 7,397.66
  4. Step 4: Simplify right side
    13,062.64x = 133,357,468.87
  5. Step 5: Solve for x
    x = 133,357,468.87/13,062.64
  6. Step 6: Final answer
    x = 10,209.07

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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.