Home / 14,710.80-20,298.90-8,740.29

Finding the Fourth Proportional to 14,710.80, 20,298.90 and 8,740.29

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Solution

The fourth proportional to 14,710.80, 20,298.90 and 8,740.29 is: 12,060.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,710.80 : 20,298.90 = 8,740.29 : x
  2. Step 2: Convert to fraction form
    14,710.80/20,298.90 = 8,740.29/x
  3. Step 3: Cross multiply
    14,710.80x = 20,298.90 × 8,740.29
  4. Step 4: Simplify right side
    14,710.80x = 177,418,272.68
  5. Step 5: Solve for x
    x = 177,418,272.68/14,710.80
  6. Step 6: Final answer
    x = 12,060.41

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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.