Home / 8,702.19-13,036.84-6,744.81

Finding the Fourth Proportional to 8,702.19, 13,036.84 and 6,744.81

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Solution

The fourth proportional to 8,702.19, 13,036.84 and 6,744.81 is: 10,104.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,702.19 : 13,036.84 = 6,744.81 : x
  2. Step 2: Convert to fraction form
    8,702.19/13,036.84 = 6,744.81/x
  3. Step 3: Cross multiply
    8,702.19x = 13,036.84 × 6,744.81
  4. Step 4: Simplify right side
    8,702.19x = 87,930,926.75
  5. Step 5: Solve for x
    x = 87,930,926.75/8,702.19
  6. Step 6: Final answer
    x = 10,104.47

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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.