Home / 18,275.29-25,219.38-10,318.26

Finding the Fourth Proportional to 18,275.29, 25,219.38 and 10,318.26

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Solution

The fourth proportional to 18,275.29, 25,219.38 and 10,318.26 is: 14,238.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,275.29 : 25,219.38 = 10,318.26 : x
  2. Step 2: Convert to fraction form
    18,275.29/25,219.38 = 10,318.26/x
  3. Step 3: Cross multiply
    18,275.29x = 25,219.38 × 10,318.26
  4. Step 4: Simplify right side
    18,275.29x = 260,220,119.88
  5. Step 5: Solve for x
    x = 260,220,119.88/18,275.29
  6. Step 6: Final answer
    x = 14,238.91

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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.