Home / 21,657.44-32,480.51-9,171.04

Finding the Fourth Proportional to 21,657.44, 32,480.51 and 9,171.04

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Solution

The fourth proportional to 21,657.44, 32,480.51 and 9,171.04 is: 13,754.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,657.44 : 32,480.51 = 9,171.04 : x
  2. Step 2: Convert to fraction form
    21,657.44/32,480.51 = 9,171.04/x
  3. Step 3: Cross multiply
    21,657.44x = 32,480.51 × 9,171.04
  4. Step 4: Simplify right side
    21,657.44x = 297,880,041.86
  5. Step 5: Solve for x
    x = 297,880,041.86/21,657.44
  6. Step 6: Final answer
    x = 13,754.17

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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.