Home / 16,885.72-25,326.60-6,490.18

Finding the Fourth Proportional to 16,885.72, 25,326.60 and 6,490.18

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Solution

The fourth proportional to 16,885.72, 25,326.60 and 6,490.18 is: 9,734.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,885.72 : 25,326.60 = 6,490.18 : x
  2. Step 2: Convert to fraction form
    16,885.72/25,326.60 = 6,490.18/x
  3. Step 3: Cross multiply
    16,885.72x = 25,326.60 × 6,490.18
  4. Step 4: Simplify right side
    16,885.72x = 164,374,192.79
  5. Step 5: Solve for x
    x = 164,374,192.79/16,885.72
  6. Step 6: Final answer
    x = 9,734.51

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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.