Home / 10,781.04-16,170.96-4,538.40

Finding the Fourth Proportional to 10,781.04, 16,170.96 and 4,538.40

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Solution

The fourth proportional to 10,781.04, 16,170.96 and 4,538.40 is: 6,807.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,781.04 : 16,170.96 = 4,538.40 : x
  2. Step 2: Convert to fraction form
    10,781.04/16,170.96 = 4,538.40/x
  3. Step 3: Cross multiply
    10,781.04x = 16,170.96 × 4,538.40
  4. Step 4: Simplify right side
    10,781.04x = 73,390,284.86
  5. Step 5: Solve for x
    x = 73,390,284.86/10,781.04
  6. Step 6: Final answer
    x = 6,807.35

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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.