Home / 8,972.10-12,381.66-4,993.52

Finding the Fourth Proportional to 8,972.10, 12,381.66 and 4,993.52

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Solution

The fourth proportional to 8,972.10, 12,381.66 and 4,993.52 is: 6,891.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,972.10 : 12,381.66 = 4,993.52 : x
  2. Step 2: Convert to fraction form
    8,972.10/12,381.66 = 4,993.52/x
  3. Step 3: Cross multiply
    8,972.10x = 12,381.66 × 4,993.52
  4. Step 4: Simplify right side
    8,972.10x = 61,828,004.93
  5. Step 5: Solve for x
    x = 61,828,004.93/8,972.10
  6. Step 6: Final answer
    x = 6,891.14

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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.