Home / 14,875.80-20,489.18-11,086.84

Finding the Fourth Proportional to 14,875.80, 20,489.18 and 11,086.84

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Solution

The fourth proportional to 14,875.80, 20,489.18 and 11,086.84 is: 15,270.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,875.80 : 20,489.18 = 11,086.84 : x
  2. Step 2: Convert to fraction form
    14,875.80/20,489.18 = 11,086.84/x
  3. Step 3: Cross multiply
    14,875.80x = 20,489.18 × 11,086.84
  4. Step 4: Simplify right side
    14,875.80x = 227,160,260.39
  5. Step 5: Solve for x
    x = 227,160,260.39/14,875.80
  6. Step 6: Final answer
    x = 15,270.46

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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.