Home / 19,359.18-26,711.60-12,654.63

Finding the Fourth Proportional to 19,359.18, 26,711.60 and 12,654.63

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Solution

The fourth proportional to 19,359.18, 26,711.60 and 12,654.63 is: 17,460.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,359.18 : 26,711.60 = 12,654.63 : x
  2. Step 2: Convert to fraction form
    19,359.18/26,711.60 = 12,654.63/x
  3. Step 3: Cross multiply
    19,359.18x = 26,711.60 × 12,654.63
  4. Step 4: Simplify right side
    19,359.18x = 338,025,351.43
  5. Step 5: Solve for x
    x = 338,025,351.43/19,359.18
  6. Step 6: Final answer
    x = 17,460.73

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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.