Home / 10,095.42-15,145.65-3,521.70

Finding the Fourth Proportional to 10,095.42, 15,145.65 and 3,521.70

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Solution

The fourth proportional to 10,095.42, 15,145.65 and 3,521.70 is: 5,283.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,095.42 : 15,145.65 = 3,521.70 : x
  2. Step 2: Convert to fraction form
    10,095.42/15,145.65 = 3,521.70/x
  3. Step 3: Cross multiply
    10,095.42x = 15,145.65 × 3,521.70
  4. Step 4: Simplify right side
    10,095.42x = 53,338,435.61
  5. Step 5: Solve for x
    x = 53,338,435.61/10,095.42
  6. Step 6: Final answer
    x = 5,283.43

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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.