Home / 15,579.84-23,359.28-7,255.20

Finding the Fourth Proportional to 15,579.84, 23,359.28 and 7,255.20

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Solution

The fourth proportional to 15,579.84, 23,359.28 and 7,255.20 is: 10,877.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,579.84 : 23,359.28 = 7,255.20 : x
  2. Step 2: Convert to fraction form
    15,579.84/23,359.28 = 7,255.20/x
  3. Step 3: Cross multiply
    15,579.84x = 23,359.28 × 7,255.20
  4. Step 4: Simplify right side
    15,579.84x = 169,476,248.26
  5. Step 5: Solve for x
    x = 169,476,248.26/15,579.84
  6. Step 6: Final answer
    x = 10,877.92

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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.