Home / 14,739.28-20,353.72-9,363.45

Finding the Fourth Proportional to 14,739.28, 20,353.72 and 9,363.45

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Solution

The fourth proportional to 14,739.28, 20,353.72 and 9,363.45 is: 12,930.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,739.28 : 20,353.72 = 9,363.45 : x
  2. Step 2: Convert to fraction form
    14,739.28/20,353.72 = 9,363.45/x
  3. Step 3: Cross multiply
    14,739.28x = 20,353.72 × 9,363.45
  4. Step 4: Simplify right side
    14,739.28x = 190,581,016.13
  5. Step 5: Solve for x
    x = 190,581,016.13/14,739.28
  6. Step 6: Final answer
    x = 12,930.15

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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.