Home / 18,002.52-26,969.76-9,670.32

Finding the Fourth Proportional to 18,002.52, 26,969.76 and 9,670.32

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Solution

The fourth proportional to 18,002.52, 26,969.76 and 9,670.32 is: 14,487.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,002.52 : 26,969.76 = 9,670.32 : x
  2. Step 2: Convert to fraction form
    18,002.52/26,969.76 = 9,670.32/x
  3. Step 3: Cross multiply
    18,002.52x = 26,969.76 × 9,670.32
  4. Step 4: Simplify right side
    18,002.52x = 260,806,209.52
  5. Step 5: Solve for x
    x = 260,806,209.52/18,002.52
  6. Step 6: Final answer
    x = 14,487.21

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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.