Home / 15,438.74-23,158.22-4,346.55

Finding the Fourth Proportional to 15,438.74, 23,158.22 and 4,346.55

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Solution

The fourth proportional to 15,438.74, 23,158.22 and 4,346.55 is: 6,519.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,438.74 : 23,158.22 = 4,346.55 : x
  2. Step 2: Convert to fraction form
    15,438.74/23,158.22 = 4,346.55/x
  3. Step 3: Cross multiply
    15,438.74x = 23,158.22 × 4,346.55
  4. Step 4: Simplify right side
    15,438.74x = 100,658,339.41
  5. Step 5: Solve for x
    x = 100,658,339.41/15,438.74
  6. Step 6: Final answer
    x = 6,519.86

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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.