Home / 15,578.49-23,377.08-5,718.78

Finding the Fourth Proportional to 15,578.49, 23,377.08 and 5,718.78

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Solution

The fourth proportional to 15,578.49, 23,377.08 and 5,718.78 is: 8,581.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,578.49 : 23,377.08 = 5,718.78 : x
  2. Step 2: Convert to fraction form
    15,578.49/23,377.08 = 5,718.78/x
  3. Step 3: Cross multiply
    15,578.49x = 23,377.08 × 5,718.78
  4. Step 4: Simplify right side
    15,578.49x = 133,688,377.56
  5. Step 5: Solve for x
    x = 133,688,377.56/15,578.49
  6. Step 6: Final answer
    x = 8,581.60

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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.