Home / 16,948.60-25,415.70-8,186.20

Finding the Fourth Proportional to 16,948.60, 25,415.70 and 8,186.20

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Solution

The fourth proportional to 16,948.60, 25,415.70 and 8,186.20 is: 12,275.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,948.60 : 25,415.70 = 8,186.20 : x
  2. Step 2: Convert to fraction form
    16,948.60/25,415.70 = 8,186.20/x
  3. Step 3: Cross multiply
    16,948.60x = 25,415.70 × 8,186.20
  4. Step 4: Simplify right side
    16,948.60x = 208,058,003.34
  5. Step 5: Solve for x
    x = 208,058,003.34/16,948.60
  6. Step 6: Final answer
    x = 12,275.82

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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.