Home / 16,419.40-24,579.42-10,580.20

Finding the Fourth Proportional to 16,419.40, 24,579.42 and 10,580.20

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Solution

The fourth proportional to 16,419.40, 24,579.42 and 10,580.20 is: 15,838.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,419.40 : 24,579.42 = 10,580.20 : x
  2. Step 2: Convert to fraction form
    16,419.40/24,579.42 = 10,580.20/x
  3. Step 3: Cross multiply
    16,419.40x = 24,579.42 × 10,580.20
  4. Step 4: Simplify right side
    16,419.40x = 260,055,179.48
  5. Step 5: Solve for x
    x = 260,055,179.48/16,419.40
  6. Step 6: Final answer
    x = 15,838.29

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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.