Home / 10,736.40-14,808.96-8,747.04

Finding the Fourth Proportional to 10,736.40, 14,808.96 and 8,747.04

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Solution

The fourth proportional to 10,736.40, 14,808.96 and 8,747.04 is: 12,064.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,736.40 : 14,808.96 = 8,747.04 : x
  2. Step 2: Convert to fraction form
    10,736.40/14,808.96 = 8,747.04/x
  3. Step 3: Cross multiply
    10,736.40x = 14,808.96 × 8,747.04
  4. Step 4: Simplify right side
    10,736.40x = 129,534,565.48
  5. Step 5: Solve for x
    x = 129,534,565.48/10,736.40
  6. Step 6: Final answer
    x = 12,064.99

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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.