Home / 10,188.27-15,275.16-3,943.01

Finding the Fourth Proportional to 10,188.27, 15,275.16 and 3,943.01

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Solution

The fourth proportional to 10,188.27, 15,275.16 and 3,943.01 is: 5,911.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,188.27 : 15,275.16 = 3,943.01 : x
  2. Step 2: Convert to fraction form
    10,188.27/15,275.16 = 3,943.01/x
  3. Step 3: Cross multiply
    10,188.27x = 15,275.16 × 3,943.01
  4. Step 4: Simplify right side
    10,188.27x = 60,230,032.26
  5. Step 5: Solve for x
    x = 60,230,032.26/10,188.27
  6. Step 6: Final answer
    x = 5,911.70

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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.