Home / 14,380.60-21,570.89-4,520.74

Finding the Fourth Proportional to 14,380.60, 21,570.89 and 4,520.74

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Solution

The fourth proportional to 14,380.60, 21,570.89 and 4,520.74 is: 6,781.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,380.60 : 21,570.89 = 4,520.74 : x
  2. Step 2: Convert to fraction form
    14,380.60/21,570.89 = 4,520.74/x
  3. Step 3: Cross multiply
    14,380.60x = 21,570.89 × 4,520.74
  4. Step 4: Simplify right side
    14,380.60x = 97,516,362.65
  5. Step 5: Solve for x
    x = 97,516,362.65/14,380.60
  6. Step 6: Final answer
    x = 6,781.11

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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.