Home / 15,939.40-23,876.70-8,152.60

Finding the Fourth Proportional to 15,939.40, 23,876.70 and 8,152.60

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Solution

The fourth proportional to 15,939.40, 23,876.70 and 8,152.60 is: 12,212.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,939.40 : 23,876.70 = 8,152.60 : x
  2. Step 2: Convert to fraction form
    15,939.40/23,876.70 = 8,152.60/x
  3. Step 3: Cross multiply
    15,939.40x = 23,876.70 × 8,152.60
  4. Step 4: Simplify right side
    15,939.40x = 194,657,184.42
  5. Step 5: Solve for x
    x = 194,657,184.42/15,939.40
  6. Step 6: Final answer
    x = 12,212.33

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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.