Home / 21,638.03-32,463.65-10,543.12

Finding the Fourth Proportional to 21,638.03, 32,463.65 and 10,543.12

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Solution

The fourth proportional to 21,638.03, 32,463.65 and 10,543.12 is: 15,817.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,638.03 : 32,463.65 = 10,543.12 : x
  2. Step 2: Convert to fraction form
    21,638.03/32,463.65 = 10,543.12/x
  3. Step 3: Cross multiply
    21,638.03x = 32,463.65 × 10,543.12
  4. Step 4: Simplify right side
    21,638.03x = 342,268,102.79
  5. Step 5: Solve for x
    x = 342,268,102.79/21,638.03
  6. Step 6: Final answer
    x = 15,817.90

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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.