Home / 22,015.79-30,370.38-13,935.74

Finding the Fourth Proportional to 22,015.79, 30,370.38 and 13,935.74

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Solution

The fourth proportional to 22,015.79, 30,370.38 and 13,935.74 is: 19,224.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,015.79 : 30,370.38 = 13,935.74 : x
  2. Step 2: Convert to fraction form
    22,015.79/30,370.38 = 13,935.74/x
  3. Step 3: Cross multiply
    22,015.79x = 30,370.38 × 13,935.74
  4. Step 4: Simplify right side
    22,015.79x = 423,233,567.53
  5. Step 5: Solve for x
    x = 423,233,567.53/22,015.79
  6. Step 6: Final answer
    x = 19,224.10

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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.