Home / 17,543.45-24,207.86-9,989.80

Finding the Fourth Proportional to 17,543.45, 24,207.86 and 9,989.80

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Solution

The fourth proportional to 17,543.45, 24,207.86 and 9,989.80 is: 13,784.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,543.45 : 24,207.86 = 9,989.80 : x
  2. Step 2: Convert to fraction form
    17,543.45/24,207.86 = 9,989.80/x
  3. Step 3: Cross multiply
    17,543.45x = 24,207.86 × 9,989.80
  4. Step 4: Simplify right side
    17,543.45x = 241,831,644.28
  5. Step 5: Solve for x
    x = 241,831,644.28/17,543.45
  6. Step 6: Final answer
    x = 13,784.72

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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.