Home / 14,543.60-21,847.80-13,953.20

Finding the Fourth Proportional to 14,543.60, 21,847.80 and 13,953.20

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Solution

The fourth proportional to 14,543.60, 21,847.80 and 13,953.20 is: 20,960.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,543.60 : 21,847.80 = 13,953.20 : x
  2. Step 2: Convert to fraction form
    14,543.60/21,847.80 = 13,953.20/x
  3. Step 3: Cross multiply
    14,543.60x = 21,847.80 × 13,953.20
  4. Step 4: Simplify right side
    14,543.60x = 304,846,722.96
  5. Step 5: Solve for x
    x = 304,846,722.96/14,543.60
  6. Step 6: Final answer
    x = 20,960.88

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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.