Home / 9,987.93-14,981.85-2,591.76

Finding the Fourth Proportional to 9,987.93, 14,981.85 and 2,591.76

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Solution

The fourth proportional to 9,987.93, 14,981.85 and 2,591.76 is: 3,887.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,987.93 : 14,981.85 = 2,591.76 : x
  2. Step 2: Convert to fraction form
    9,987.93/14,981.85 = 2,591.76/x
  3. Step 3: Cross multiply
    9,987.93x = 14,981.85 × 2,591.76
  4. Step 4: Simplify right side
    9,987.93x = 38,829,359.56
  5. Step 5: Solve for x
    x = 38,829,359.56/9,987.93
  6. Step 6: Final answer
    x = 3,887.63

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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.