Home / 8,723.47-13,068.15-6,972.16

Finding the Fourth Proportional to 8,723.47, 13,068.15 and 6,972.16

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Solution

The fourth proportional to 8,723.47, 13,068.15 and 6,972.16 is: 10,444.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,723.47 : 13,068.15 = 6,972.16 : x
  2. Step 2: Convert to fraction form
    8,723.47/13,068.15 = 6,972.16/x
  3. Step 3: Cross multiply
    8,723.47x = 13,068.15 × 6,972.16
  4. Step 4: Simplify right side
    8,723.47x = 91,113,232.70
  5. Step 5: Solve for x
    x = 91,113,232.70/8,723.47
  6. Step 6: Final answer
    x = 10,444.61

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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.