Home / 14,265.86-21,294.27-12,582.51

Finding the Fourth Proportional to 14,265.86, 21,294.27 and 12,582.51

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Solution

The fourth proportional to 14,265.86, 21,294.27 and 12,582.51 is: 18,781.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,265.86 : 21,294.27 = 12,582.51 : x
  2. Step 2: Convert to fraction form
    14,265.86/21,294.27 = 12,582.51/x
  3. Step 3: Cross multiply
    14,265.86x = 21,294.27 × 12,582.51
  4. Step 4: Simplify right side
    14,265.86x = 267,935,365.22
  5. Step 5: Solve for x
    x = 267,935,365.22/14,265.86
  6. Step 6: Final answer
    x = 18,781.58

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.