Home / 12,301.80-18,443.28-5,723.19

Finding the Fourth Proportional to 12,301.80, 18,443.28 and 5,723.19

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Solution

The fourth proportional to 12,301.80, 18,443.28 and 5,723.19 is: 8,580.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,301.80 : 18,443.28 = 5,723.19 : x
  2. Step 2: Convert to fraction form
    12,301.80/18,443.28 = 5,723.19/x
  3. Step 3: Cross multiply
    12,301.80x = 18,443.28 × 5,723.19
  4. Step 4: Simplify right side
    12,301.80x = 105,554,395.66
  5. Step 5: Solve for x
    x = 105,554,395.66/12,301.80
  6. Step 6: Final answer
    x = 8,580.40

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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.