Home / 24,865.45-34,314.30-13,687.45

Finding the Fourth Proportional to 24,865.45, 34,314.30 and 13,687.45

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Solution

The fourth proportional to 24,865.45, 34,314.30 and 13,687.45 is: 18,888.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,865.45 : 34,314.30 = 13,687.45 : x
  2. Step 2: Convert to fraction form
    24,865.45/34,314.30 = 13,687.45/x
  3. Step 3: Cross multiply
    24,865.45x = 34,314.30 × 13,687.45
  4. Step 4: Simplify right side
    24,865.45x = 469,675,265.54
  5. Step 5: Solve for x
    x = 469,675,265.54/24,865.45
  6. Step 6: Final answer
    x = 18,888.67

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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.