Home / 10,858.18-16,279.44-7,339.48

Finding the Fourth Proportional to 10,858.18, 16,279.44 and 7,339.48

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Solution

The fourth proportional to 10,858.18, 16,279.44 and 7,339.48 is: 11,003.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,858.18 : 16,279.44 = 7,339.48 : x
  2. Step 2: Convert to fraction form
    10,858.18/16,279.44 = 7,339.48/x
  3. Step 3: Cross multiply
    10,858.18x = 16,279.44 × 7,339.48
  4. Step 4: Simplify right side
    10,858.18x = 119,482,624.29
  5. Step 5: Solve for x
    x = 119,482,624.29/10,858.18
  6. Step 6: Final answer
    x = 11,003.93

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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.