Home / 11,003.47-15,191.36-7,232.95

Finding the Fourth Proportional to 11,003.47, 15,191.36 and 7,232.95

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Solution

The fourth proportional to 11,003.47, 15,191.36 and 7,232.95 is: 9,985.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,003.47 : 15,191.36 = 7,232.95 : x
  2. Step 2: Convert to fraction form
    11,003.47/15,191.36 = 7,232.95/x
  3. Step 3: Cross multiply
    11,003.47x = 15,191.36 × 7,232.95
  4. Step 4: Simplify right side
    11,003.47x = 109,878,312.49
  5. Step 5: Solve for x
    x = 109,878,312.49/11,003.47
  6. Step 6: Final answer
    x = 9,985.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.