Home / 22,330.28-30,820.06-14,776.76

Finding the Fourth Proportional to 22,330.28, 30,820.06 and 14,776.76

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Solution

The fourth proportional to 22,330.28, 30,820.06 and 14,776.76 is: 20,394.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,330.28 : 30,820.06 = 14,776.76 : x
  2. Step 2: Convert to fraction form
    22,330.28/30,820.06 = 14,776.76/x
  3. Step 3: Cross multiply
    22,330.28x = 30,820.06 × 14,776.76
  4. Step 4: Simplify right side
    22,330.28x = 455,420,629.81
  5. Step 5: Solve for x
    x = 455,420,629.81/22,330.28
  6. Step 6: Final answer
    x = 20,394.76

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Half scale
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Double 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.