Home / 15,166.10-20,929.30-8,796.46

Finding the Fourth Proportional to 15,166.10, 20,929.30 and 8,796.46

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Solution

The fourth proportional to 15,166.10, 20,929.30 and 8,796.46 is: 12,139.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,166.10 : 20,929.30 = 8,796.46 : x
  2. Step 2: Convert to fraction form
    15,166.10/20,929.30 = 8,796.46/x
  3. Step 3: Cross multiply
    15,166.10x = 20,929.30 × 8,796.46
  4. Step 4: Simplify right side
    15,166.10x = 184,103,706.30
  5. Step 5: Solve for x
    x = 184,103,706.30/15,166.10
  6. Step 6: Final answer
    x = 12,139.16

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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.