Home / 12,148.12-16,729.10-10,554.04

Finding the Fourth Proportional to 12,148.12, 16,729.10 and 10,554.04

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Solution

The fourth proportional to 12,148.12, 16,729.10 and 10,554.04 is: 14,533.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,148.12 : 16,729.10 = 10,554.04 : x
  2. Step 2: Convert to fraction form
    12,148.12/16,729.10 = 10,554.04/x
  3. Step 3: Cross multiply
    12,148.12x = 16,729.10 × 10,554.04
  4. Step 4: Simplify right side
    12,148.12x = 176,559,590.56
  5. Step 5: Solve for x
    x = 176,559,590.56/12,148.12
  6. Step 6: Final answer
    x = 14,533.90

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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.