Home / 13,294.92-18,337.56-8,752.12

Finding the Fourth Proportional to 13,294.92, 18,337.56 and 8,752.12

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Solution

The fourth proportional to 13,294.92, 18,337.56 and 8,752.12 is: 12,071.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,294.92 : 18,337.56 = 8,752.12 : x
  2. Step 2: Convert to fraction form
    13,294.92/18,337.56 = 8,752.12/x
  3. Step 3: Cross multiply
    13,294.92x = 18,337.56 × 8,752.12
  4. Step 4: Simplify right side
    13,294.92x = 160,492,525.63
  5. Step 5: Solve for x
    x = 160,492,525.63/13,294.92
  6. Step 6: Final answer
    x = 12,071.72

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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.