Home / 15,886.32-23,830.91-4,199.55

Finding the Fourth Proportional to 15,886.32, 23,830.91 and 4,199.55

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Solution

The fourth proportional to 15,886.32, 23,830.91 and 4,199.55 is: 6,299.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,886.32 : 23,830.91 = 4,199.55 : x
  2. Step 2: Convert to fraction form
    15,886.32/23,830.91 = 4,199.55/x
  3. Step 3: Cross multiply
    15,886.32x = 23,830.91 × 4,199.55
  4. Step 4: Simplify right side
    15,886.32x = 100,079,077.09
  5. Step 5: Solve for x
    x = 100,079,077.09/15,886.32
  6. Step 6: Final answer
    x = 6,299.70

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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.