Home / 22,130.15-30,537.42-13,055.32

Finding the Fourth Proportional to 22,130.15, 30,537.42 and 13,055.32

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Solution

The fourth proportional to 22,130.15, 30,537.42 and 13,055.32 is: 18,015.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,130.15 : 30,537.42 = 13,055.32 : x
  2. Step 2: Convert to fraction form
    22,130.15/30,537.42 = 13,055.32/x
  3. Step 3: Cross multiply
    22,130.15x = 30,537.42 × 13,055.32
  4. Step 4: Simplify right side
    22,130.15x = 398,675,637.39
  5. Step 5: Solve for x
    x = 398,675,637.39/22,130.15
  6. Step 6: Final answer
    x = 18,015.04

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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.