Home / 9,909.84-14,862.36-2,887.95

Finding the Fourth Proportional to 9,909.84, 14,862.36 and 2,887.95

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Solution

The fourth proportional to 9,909.84, 14,862.36 and 2,887.95 is: 4,331.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,909.84 : 14,862.36 = 2,887.95 : x
  2. Step 2: Convert to fraction form
    9,909.84/14,862.36 = 2,887.95/x
  3. Step 3: Cross multiply
    9,909.84x = 14,862.36 × 2,887.95
  4. Step 4: Simplify right side
    9,909.84x = 42,921,752.56
  5. Step 5: Solve for x
    x = 42,921,752.56/9,909.84
  6. Step 6: Final answer
    x = 4,331.23

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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.