Home / 10,185.19-15,275.44-3,943.13

Finding the Fourth Proportional to 10,185.19, 15,275.44 and 3,943.13

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Solution

The fourth proportional to 10,185.19, 15,275.44 and 3,943.13 is: 5,913.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,185.19 : 15,275.44 = 3,943.13 : x
  2. Step 2: Convert to fraction form
    10,185.19/15,275.44 = 3,943.13/x
  3. Step 3: Cross multiply
    10,185.19x = 15,275.44 × 3,943.13
  4. Step 4: Simplify right side
    10,185.19x = 60,233,038.02
  5. Step 5: Solve for x
    x = 60,233,038.02/10,185.19
  6. Step 6: Final answer
    x = 5,913.78

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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.