Home / 18,117.03-24,961.16-13,559.27

Finding the Fourth Proportional to 18,117.03, 24,961.16 and 13,559.27

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Solution

The fourth proportional to 18,117.03, 24,961.16 and 13,559.27 is: 18,681.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,117.03 : 24,961.16 = 13,559.27 : x
  2. Step 2: Convert to fraction form
    18,117.03/24,961.16 = 13,559.27/x
  3. Step 3: Cross multiply
    18,117.03x = 24,961.16 × 13,559.27
  4. Step 4: Simplify right side
    18,117.03x = 338,455,017.05
  5. Step 5: Solve for x
    x = 338,455,017.05/18,117.03
  6. Step 6: Final answer
    x = 18,681.59

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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.