Home / 19,359.20-26,718.24-10,976

Finding the Fourth Proportional to 19,359.20, 26,718.24 and 10,976

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Solution

The fourth proportional to 19,359.20, 26,718.24 and 10,976 is: 15,148.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,359.20 : 26,718.24 = 10,976 : x
  2. Step 2: Convert to fraction form
    19,359.20/26,718.24 = 10,976/x
  3. Step 3: Cross multiply
    19,359.20x = 26,718.24 × 10,976
  4. Step 4: Simplify right side
    19,359.20x = 293,259,402.24
  5. Step 5: Solve for x
    x = 293,259,402.24/19,359.20
  6. Step 6: Final answer
    x = 15,148.32

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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.