Home / 19,380.48-29,057.28-10,152.96

Finding the Fourth Proportional to 19,380.48, 29,057.28 and 10,152.96

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Solution

The fourth proportional to 19,380.48, 29,057.28 and 10,152.96 is: 15,222.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,380.48 : 29,057.28 = 10,152.96 : x
  2. Step 2: Convert to fraction form
    19,380.48/29,057.28 = 10,152.96/x
  3. Step 3: Cross multiply
    19,380.48x = 29,057.28 × 10,152.96
  4. Step 4: Simplify right side
    19,380.48x = 295,017,401.55
  5. Step 5: Solve for x
    x = 295,017,401.55/19,380.48
  6. Step 6: Final answer
    x = 15,222.40

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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.