Home / 17,988.48-26,964.50-8,614.76

Finding the Fourth Proportional to 17,988.48, 26,964.50 and 8,614.76

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Solution

The fourth proportional to 17,988.48, 26,964.50 and 8,614.76 is: 12,913.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,988.48 : 26,964.50 = 8,614.76 : x
  2. Step 2: Convert to fraction form
    17,988.48/26,964.50 = 8,614.76/x
  3. Step 3: Cross multiply
    17,988.48x = 26,964.50 × 8,614.76
  4. Step 4: Simplify right side
    17,988.48x = 232,292,518.12
  5. Step 5: Solve for x
    x = 232,292,518.12/17,988.48
  6. Step 6: Final answer
    x = 12,913.40

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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.