Home / 9,960.40-14,920.98-5,564.44

Finding the Fourth Proportional to 9,960.40, 14,920.98 and 5,564.44

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Solution

The fourth proportional to 9,960.40, 14,920.98 and 5,564.44 is: 8,335.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,960.40 : 14,920.98 = 5,564.44 : x
  2. Step 2: Convert to fraction form
    9,960.40/14,920.98 = 5,564.44/x
  3. Step 3: Cross multiply
    9,960.40x = 14,920.98 × 5,564.44
  4. Step 4: Simplify right side
    9,960.40x = 83,026,897.95
  5. Step 5: Solve for x
    x = 83,026,897.95/9,960.40
  6. Step 6: Final answer
    x = 8,335.70

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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.