Home / 9,995.20-14,969.48-7,901.15

Finding the Fourth Proportional to 9,995.20, 14,969.48 and 7,901.15

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Solution

The fourth proportional to 9,995.20, 14,969.48 and 7,901.15 is: 11,833.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,995.20 : 14,969.48 = 7,901.15 : x
  2. Step 2: Convert to fraction form
    9,995.20/14,969.48 = 7,901.15/x
  3. Step 3: Cross multiply
    9,995.20x = 14,969.48 × 7,901.15
  4. Step 4: Simplify right side
    9,995.20x = 118,275,992.55
  5. Step 5: Solve for x
    x = 118,275,992.55/9,995.20
  6. Step 6: Final answer
    x = 11,833.28

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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.