Home / 14,295.38-21,406.12-9,866.70

Finding the Fourth Proportional to 14,295.38, 21,406.12 and 9,866.70

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Solution

The fourth proportional to 14,295.38, 21,406.12 and 9,866.70 is: 14,774.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,295.38 : 21,406.12 = 9,866.70 : x
  2. Step 2: Convert to fraction form
    14,295.38/21,406.12 = 9,866.70/x
  3. Step 3: Cross multiply
    14,295.38x = 21,406.12 × 9,866.70
  4. Step 4: Simplify right side
    14,295.38x = 211,207,764.20
  5. Step 5: Solve for x
    x = 211,207,764.20/14,295.38
  6. Step 6: Final answer
    x = 14,774.55

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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.