Home / 14,726.08-20,311.64-9,688.69

Finding the Fourth Proportional to 14,726.08, 20,311.64 and 9,688.69

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Solution

The fourth proportional to 14,726.08, 20,311.64 and 9,688.69 is: 13,363.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,726.08 : 20,311.64 = 9,688.69 : x
  2. Step 2: Convert to fraction form
    14,726.08/20,311.64 = 9,688.69/x
  3. Step 3: Cross multiply
    14,726.08x = 20,311.64 × 9,688.69
  4. Step 4: Simplify right side
    14,726.08x = 196,793,183.35
  5. Step 5: Solve for x
    x = 196,793,183.35/14,726.08
  6. Step 6: Final answer
    x = 13,363.58

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Half scale
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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.