Home / 10,208.92-15,315.56-3,545.62

Finding the Fourth Proportional to 10,208.92, 15,315.56 and 3,545.62

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Solution

The fourth proportional to 10,208.92, 15,315.56 and 3,545.62 is: 5,319.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,208.92 : 15,315.56 = 3,545.62 : x
  2. Step 2: Convert to fraction form
    10,208.92/15,315.56 = 3,545.62/x
  3. Step 3: Cross multiply
    10,208.92x = 15,315.56 × 3,545.62
  4. Step 4: Simplify right side
    10,208.92x = 54,303,166.13
  5. Step 5: Solve for x
    x = 54,303,166.13/10,208.92
  6. Step 6: Final answer
    x = 5,319.19

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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.