Home / 12,001.23-17,970.30-8,472.15

Finding the Fourth Proportional to 12,001.23, 17,970.30 and 8,472.15

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Solution

The fourth proportional to 12,001.23, 17,970.30 and 8,472.15 is: 12,685.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,001.23 : 17,970.30 = 8,472.15 : x
  2. Step 2: Convert to fraction form
    12,001.23/17,970.30 = 8,472.15/x
  3. Step 3: Cross multiply
    12,001.23x = 17,970.30 × 8,472.15
  4. Step 4: Simplify right side
    12,001.23x = 152,247,077.15
  5. Step 5: Solve for x
    x = 152,247,077.15/12,001.23
  6. Step 6: Final answer
    x = 12,685.96

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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.