Home / 18,281.52-27,385.74-8,407.26

Finding the Fourth Proportional to 18,281.52, 27,385.74 and 8,407.26

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Solution

The fourth proportional to 18,281.52, 27,385.74 and 8,407.26 is: 12,594.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,281.52 : 27,385.74 = 8,407.26 : x
  2. Step 2: Convert to fraction form
    18,281.52/27,385.74 = 8,407.26/x
  3. Step 3: Cross multiply
    18,281.52x = 27,385.74 × 8,407.26
  4. Step 4: Simplify right side
    18,281.52x = 230,239,036.47
  5. Step 5: Solve for x
    x = 230,239,036.47/18,281.52
  6. Step 6: Final answer
    x = 12,594.09

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1.5x scale

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.