Home / 21,543.42-32,332.41-11,158.14

Finding the Fourth Proportional to 21,543.42, 32,332.41 and 11,158.14

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Solution

The fourth proportional to 21,543.42, 32,332.41 and 11,158.14 is: 16,746.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,543.42 : 32,332.41 = 11,158.14 : x
  2. Step 2: Convert to fraction form
    21,543.42/32,332.41 = 11,158.14/x
  3. Step 3: Cross multiply
    21,543.42x = 32,332.41 × 11,158.14
  4. Step 4: Simplify right side
    21,543.42x = 360,769,557.32
  5. Step 5: Solve for x
    x = 360,769,557.32/21,543.42
  6. Step 6: Final answer
    x = 16,746.16

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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.