Home / 16,386.20-24,554.10-12,206.60

Finding the Fourth Proportional to 16,386.20, 24,554.10 and 12,206.60

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Solution

The fourth proportional to 16,386.20, 24,554.10 and 12,206.60 is: 18,291.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,386.20 : 24,554.10 = 12,206.60 : x
  2. Step 2: Convert to fraction form
    16,386.20/24,554.10 = 12,206.60/x
  3. Step 3: Cross multiply
    16,386.20x = 24,554.10 × 12,206.60
  4. Step 4: Simplify right side
    16,386.20x = 299,722,077.06
  5. Step 5: Solve for x
    x = 299,722,077.06/16,386.20
  6. Step 6: Final answer
    x = 18,291.13

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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.