Home / 12,048.80-16,615.68-9,395.24

Finding the Fourth Proportional to 12,048.80, 16,615.68 and 9,395.24

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Solution

The fourth proportional to 12,048.80, 16,615.68 and 9,395.24 is: 12,956.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,048.80 : 16,615.68 = 9,395.24 : x
  2. Step 2: Convert to fraction form
    12,048.80/16,615.68 = 9,395.24/x
  3. Step 3: Cross multiply
    12,048.80x = 16,615.68 × 9,395.24
  4. Step 4: Simplify right side
    12,048.80x = 156,108,301.36
  5. Step 5: Solve for x
    x = 156,108,301.36/12,048.80
  6. Step 6: Final answer
    x = 12,956.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.