Home / 16,020.80-24,031.20-10,383.20

Finding the Fourth Proportional to 16,020.80, 24,031.20 and 10,383.20

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Solution

The fourth proportional to 16,020.80, 24,031.20 and 10,383.20 is: 15,574.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,020.80 : 24,031.20 = 10,383.20 : x
  2. Step 2: Convert to fraction form
    16,020.80/24,031.20 = 10,383.20/x
  3. Step 3: Cross multiply
    16,020.80x = 24,031.20 × 10,383.20
  4. Step 4: Simplify right side
    16,020.80x = 249,520,755.84
  5. Step 5: Solve for x
    x = 249,520,755.84/16,020.80
  6. Step 6: Final answer
    x = 15,574.80

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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.