Home / 22,272.32-30,746.40-13,901.12

Finding the Fourth Proportional to 22,272.32, 30,746.40 and 13,901.12

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Solution

The fourth proportional to 22,272.32, 30,746.40 and 13,901.12 is: 19,190.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,272.32 : 30,746.40 = 13,901.12 : x
  2. Step 2: Convert to fraction form
    22,272.32/30,746.40 = 13,901.12/x
  3. Step 3: Cross multiply
    22,272.32x = 30,746.40 × 13,901.12
  4. Step 4: Simplify right side
    22,272.32x = 427,409,395.97
  5. Step 5: Solve for x
    x = 427,409,395.97/22,272.32
  6. Step 6: Final answer
    x = 19,190.16

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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.