Home / 15,214.57-22,784.59-12,565.87

Finding the Fourth Proportional to 15,214.57, 22,784.59 and 12,565.87

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Solution

The fourth proportional to 15,214.57, 22,784.59 and 12,565.87 is: 18,818.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,214.57 : 22,784.59 = 12,565.87 : x
  2. Step 2: Convert to fraction form
    15,214.57/22,784.59 = 12,565.87/x
  3. Step 3: Cross multiply
    15,214.57x = 22,784.59 × 12,565.87
  4. Step 4: Simplify right side
    15,214.57x = 286,308,154.69
  5. Step 5: Solve for x
    x = 286,308,154.69/15,214.57
  6. Step 6: Final answer
    x = 18,818.03

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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.