Home / 13,132.01-18,113.76-8,832.29

Finding the Fourth Proportional to 13,132.01, 18,113.76 and 8,832.29

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Solution

The fourth proportional to 13,132.01, 18,113.76 and 8,832.29 is: 12,182.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,132.01 : 18,113.76 = 8,832.29 : x
  2. Step 2: Convert to fraction form
    13,132.01/18,113.76 = 8,832.29/x
  3. Step 3: Cross multiply
    13,132.01x = 18,113.76 × 8,832.29
  4. Step 4: Simplify right side
    13,132.01x = 159,985,890.74
  5. Step 5: Solve for x
    x = 159,985,890.74/13,132.01
  6. Step 6: Final answer
    x = 12,182.89

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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.