Home / 10,386.88-15,572.12-5,999.44

Finding the Fourth Proportional to 10,386.88, 15,572.12 and 5,999.44

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Solution

The fourth proportional to 10,386.88, 15,572.12 and 5,999.44 is: 8,994.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,386.88 : 15,572.12 = 5,999.44 : x
  2. Step 2: Convert to fraction form
    10,386.88/15,572.12 = 5,999.44/x
  3. Step 3: Cross multiply
    10,386.88x = 15,572.12 × 5,999.44
  4. Step 4: Simplify right side
    10,386.88x = 93,423,999.61
  5. Step 5: Solve for x
    x = 93,423,999.61/10,386.88
  6. Step 6: Final answer
    x = 8,994.42

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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.