Home / 15,278.92-22,913.58-5,918.29

Finding the Fourth Proportional to 15,278.92, 22,913.58 and 5,918.29

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Solution

The fourth proportional to 15,278.92, 22,913.58 and 5,918.29 is: 8,875.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,278.92 : 22,913.58 = 5,918.29 : x
  2. Step 2: Convert to fraction form
    15,278.92/22,913.58 = 5,918.29/x
  3. Step 3: Cross multiply
    15,278.92x = 22,913.58 × 5,918.29
  4. Step 4: Simplify right side
    15,278.92x = 135,609,096.81
  5. Step 5: Solve for x
    x = 135,609,096.81/15,278.92
  6. Step 6: Final answer
    x = 8,875.57

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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.