Home / 14,991.40-22,489.80-6,227.20

Finding the Fourth Proportional to 14,991.40, 22,489.80 and 6,227.20

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Solution

The fourth proportional to 14,991.40, 22,489.80 and 6,227.20 is: 9,341.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,991.40 : 22,489.80 = 6,227.20 : x
  2. Step 2: Convert to fraction form
    14,991.40/22,489.80 = 6,227.20/x
  3. Step 3: Cross multiply
    14,991.40x = 22,489.80 × 6,227.20
  4. Step 4: Simplify right side
    14,991.40x = 140,048,482.56
  5. Step 5: Solve for x
    x = 140,048,482.56/14,991.40
  6. Step 6: Final answer
    x = 9,341.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.