Home / 15,999.82-24,011.16-7,117.54

Finding the Fourth Proportional to 15,999.82, 24,011.16 and 7,117.54

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Solution

The fourth proportional to 15,999.82, 24,011.16 and 7,117.54 is: 10,681.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,999.82 : 24,011.16 = 7,117.54 : x
  2. Step 2: Convert to fraction form
    15,999.82/24,011.16 = 7,117.54/x
  3. Step 3: Cross multiply
    15,999.82x = 24,011.16 × 7,117.54
  4. Step 4: Simplify right side
    15,999.82x = 170,900,391.75
  5. Step 5: Solve for x
    x = 170,900,391.75/15,999.82
  6. Step 6: Final answer
    x = 10,681.39

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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.