Home / 14,471.50-19,956.99-9,439.60

Finding the Fourth Proportional to 14,471.50, 19,956.99 and 9,439.60

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Solution

The fourth proportional to 14,471.50, 19,956.99 and 9,439.60 is: 13,017.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,471.50 : 19,956.99 = 9,439.60 : x
  2. Step 2: Convert to fraction form
    14,471.50/19,956.99 = 9,439.60/x
  3. Step 3: Cross multiply
    14,471.50x = 19,956.99 × 9,439.60
  4. Step 4: Simplify right side
    14,471.50x = 188,386,002.80
  5. Step 5: Solve for x
    x = 188,386,002.80/14,471.50
  6. Step 6: Final answer
    x = 13,017.72

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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.