Home / 18,003.36-24,841.80-10,045.20

Finding the Fourth Proportional to 18,003.36, 24,841.80 and 10,045.20

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Solution

The fourth proportional to 18,003.36, 24,841.80 and 10,045.20 is: 13,860.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,003.36 : 24,841.80 = 10,045.20 : x
  2. Step 2: Convert to fraction form
    18,003.36/24,841.80 = 10,045.20/x
  3. Step 3: Cross multiply
    18,003.36x = 24,841.80 × 10,045.20
  4. Step 4: Simplify right side
    18,003.36x = 249,540,849.36
  5. Step 5: Solve for x
    x = 249,540,849.36/18,003.36
  6. Step 6: Final answer
    x = 13,860.79

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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.