Home / 9,901.12-14,852.15-5,515.28

Finding the Fourth Proportional to 9,901.12, 14,852.15 and 5,515.28

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Solution

The fourth proportional to 9,901.12, 14,852.15 and 5,515.28 is: 8,273.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,901.12 : 14,852.15 = 5,515.28 : x
  2. Step 2: Convert to fraction form
    9,901.12/14,852.15 = 5,515.28/x
  3. Step 3: Cross multiply
    9,901.12x = 14,852.15 × 5,515.28
  4. Step 4: Simplify right side
    9,901.12x = 81,913,765.85
  5. Step 5: Solve for x
    x = 81,913,765.85/9,901.12
  6. Step 6: Final answer
    x = 8,273.18

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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.