Home / 17,928.04-24,737.66-9,969.20

Finding the Fourth Proportional to 17,928.04, 24,737.66 and 9,969.20

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Solution

The fourth proportional to 17,928.04, 24,737.66 and 9,969.20 is: 13,755.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,928.04 : 24,737.66 = 9,969.20 : x
  2. Step 2: Convert to fraction form
    17,928.04/24,737.66 = 9,969.20/x
  3. Step 3: Cross multiply
    17,928.04x = 24,737.66 × 9,969.20
  4. Step 4: Simplify right side
    17,928.04x = 246,614,680.07
  5. Step 5: Solve for x
    x = 246,614,680.07/17,928.04
  6. Step 6: Final answer
    x = 13,755.81

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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.