Home / 22,268.16-30,722.43-12,701.17

Finding the Fourth Proportional to 22,268.16, 30,722.43 and 12,701.17

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Solution

The fourth proportional to 22,268.16, 30,722.43 and 12,701.17 is: 17,523.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,268.16 : 30,722.43 = 12,701.17 : x
  2. Step 2: Convert to fraction form
    22,268.16/30,722.43 = 12,701.17/x
  3. Step 3: Cross multiply
    22,268.16x = 30,722.43 × 12,701.17
  4. Step 4: Simplify right side
    22,268.16x = 390,210,892.28
  5. Step 5: Solve for x
    x = 390,210,892.28/22,268.16
  6. Step 6: Final answer
    x = 17,523.27

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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.