Home / 22,022.28-30,378.04-14,055.53

Finding the Fourth Proportional to 22,022.28, 30,378.04 and 14,055.53

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Solution

The fourth proportional to 22,022.28, 30,378.04 and 14,055.53 is: 19,388.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,022.28 : 30,378.04 = 14,055.53 : x
  2. Step 2: Convert to fraction form
    22,022.28/30,378.04 = 14,055.53/x
  3. Step 3: Cross multiply
    22,022.28x = 30,378.04 × 14,055.53
  4. Step 4: Simplify right side
    22,022.28x = 426,979,265.53
  5. Step 5: Solve for x
    x = 426,979,265.53/22,022.28
  6. Step 6: Final answer
    x = 19,388.51

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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.