Home / 15,053.18-20,769.27-8,764.70

Finding the Fourth Proportional to 15,053.18, 20,769.27 and 8,764.70

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Solution

The fourth proportional to 15,053.18, 20,769.27 and 8,764.70 is: 12,092.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,053.18 : 20,769.27 = 8,764.70 : x
  2. Step 2: Convert to fraction form
    15,053.18/20,769.27 = 8,764.70/x
  3. Step 3: Cross multiply
    15,053.18x = 20,769.27 × 8,764.70
  4. Step 4: Simplify right side
    15,053.18x = 182,036,420.77
  5. Step 5: Solve for x
    x = 182,036,420.77/15,053.18
  6. Step 6: Final answer
    x = 12,092.89

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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.