Home / 10,868.04-16,305.30-4,294.08

Finding the Fourth Proportional to 10,868.04, 16,305.30 and 4,294.08

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Solution

The fourth proportional to 10,868.04, 16,305.30 and 4,294.08 is: 6,442.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,868.04 : 16,305.30 = 4,294.08 : x
  2. Step 2: Convert to fraction form
    10,868.04/16,305.30 = 4,294.08/x
  3. Step 3: Cross multiply
    10,868.04x = 16,305.30 × 4,294.08
  4. Step 4: Simplify right side
    10,868.04x = 70,016,262.62
  5. Step 5: Solve for x
    x = 70,016,262.62/10,868.04
  6. Step 6: Final answer
    x = 6,442.40

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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.