Home / 15,142.95-22,714.23-5,282.19

Finding the Fourth Proportional to 15,142.95, 22,714.23 and 5,282.19

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Solution

The fourth proportional to 15,142.95, 22,714.23 and 5,282.19 is: 7,923.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,142.95 : 22,714.23 = 5,282.19 : x
  2. Step 2: Convert to fraction form
    15,142.95/22,714.23 = 5,282.19/x
  3. Step 3: Cross multiply
    15,142.95x = 22,714.23 × 5,282.19
  4. Step 4: Simplify right side
    15,142.95x = 119,980,878.56
  5. Step 5: Solve for x
    x = 119,980,878.56/15,142.95
  6. Step 6: Final answer
    x = 7,923.22

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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.