Home / 15,363.20-23,031.30-10,416.80

Finding the Fourth Proportional to 15,363.20, 23,031.30 and 10,416.80

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Solution

The fourth proportional to 15,363.20, 23,031.30 and 10,416.80 is: 15,616.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,363.20 : 23,031.30 = 10,416.80 : x
  2. Step 2: Convert to fraction form
    15,363.20/23,031.30 = 10,416.80/x
  3. Step 3: Cross multiply
    15,363.20x = 23,031.30 × 10,416.80
  4. Step 4: Simplify right side
    15,363.20x = 239,912,445.84
  5. Step 5: Solve for x
    x = 239,912,445.84/15,363.20
  6. Step 6: Final answer
    x = 15,616.05

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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.