Home / 18,495.74-25,545.15-12,435.46

Finding the Fourth Proportional to 18,495.74, 25,545.15 and 12,435.46

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Solution

The fourth proportional to 18,495.74, 25,545.15 and 12,435.46 is: 17,175.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,495.74 : 25,545.15 = 12,435.46 : x
  2. Step 2: Convert to fraction form
    18,495.74/25,545.15 = 12,435.46/x
  3. Step 3: Cross multiply
    18,495.74x = 25,545.15 × 12,435.46
  4. Step 4: Simplify right side
    18,495.74x = 317,665,627.16
  5. Step 5: Solve for x
    x = 317,665,627.16/18,495.74
  6. Step 6: Final answer
    x = 17,175.07

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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.