Home / 9,981.70-14,972.55-6,288.10

Finding the Fourth Proportional to 9,981.70, 14,972.55 and 6,288.10

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Solution

The fourth proportional to 9,981.70, 14,972.55 and 6,288.10 is: 9,432.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,981.70 : 14,972.55 = 6,288.10 : x
  2. Step 2: Convert to fraction form
    9,981.70/14,972.55 = 6,288.10/x
  3. Step 3: Cross multiply
    9,981.70x = 14,972.55 × 6,288.10
  4. Step 4: Simplify right side
    9,981.70x = 94,148,891.66
  5. Step 5: Solve for x
    x = 94,148,891.66/9,981.70
  6. Step 6: Final answer
    x = 9,432.15

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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.