Home / 16,885.20-23,301.55-9,433.20

Finding the Fourth Proportional to 16,885.20, 23,301.55 and 9,433.20

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Solution

The fourth proportional to 16,885.20, 23,301.55 and 9,433.20 is: 13,017.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,885.20 : 23,301.55 = 9,433.20 : x
  2. Step 2: Convert to fraction form
    16,885.20/23,301.55 = 9,433.20/x
  3. Step 3: Cross multiply
    16,885.20x = 23,301.55 × 9,433.20
  4. Step 4: Simplify right side
    16,885.20x = 219,808,181.46
  5. Step 5: Solve for x
    x = 219,808,181.46/16,885.20
  6. Step 6: Final answer
    x = 13,017.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.