Home / 18,275.31-25,210.26-12,600.18

Finding the Fourth Proportional to 18,275.31, 25,210.26 and 12,600.18

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Solution

The fourth proportional to 18,275.31, 25,210.26 and 12,600.18 is: 17,381.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,275.31 : 25,210.26 = 12,600.18 : x
  2. Step 2: Convert to fraction form
    18,275.31/25,210.26 = 12,600.18/x
  3. Step 3: Cross multiply
    18,275.31x = 25,210.26 × 12,600.18
  4. Step 4: Simplify right side
    18,275.31x = 317,653,813.85
  5. Step 5: Solve for x
    x = 317,653,813.85/18,275.31
  6. Step 6: Final answer
    x = 17,381.58

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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.