Home / 14,543.12-20,071.40-8,876.69

Finding the Fourth Proportional to 14,543.12, 20,071.40 and 8,876.69

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Solution

The fourth proportional to 14,543.12, 20,071.40 and 8,876.69 is: 12,250.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,543.12 : 20,071.40 = 8,876.69 : x
  2. Step 2: Convert to fraction form
    14,543.12/20,071.40 = 8,876.69/x
  3. Step 3: Cross multiply
    14,543.12x = 20,071.40 × 8,876.69
  4. Step 4: Simplify right side
    14,543.12x = 178,167,450.93
  5. Step 5: Solve for x
    x = 178,167,450.93/14,543.12
  6. Step 6: Final answer
    x = 12,250.98

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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.