Home / 9,707.18-14,560.43-2,781.68

Finding the Fourth Proportional to 9,707.18, 14,560.43 and 2,781.68

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Solution

The fourth proportional to 9,707.18, 14,560.43 and 2,781.68 is: 4,172.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,707.18 : 14,560.43 = 2,781.68 : x
  2. Step 2: Convert to fraction form
    9,707.18/14,560.43 = 2,781.68/x
  3. Step 3: Cross multiply
    9,707.18x = 14,560.43 × 2,781.68
  4. Step 4: Simplify right side
    9,707.18x = 40,502,370.21
  5. Step 5: Solve for x
    x = 40,502,370.21/9,707.18
  6. Step 6: Final answer
    x = 4,172.42

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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.