Home / 22,068.36-30,454.20-12,508.20

Finding the Fourth Proportional to 22,068.36, 30,454.20 and 12,508.20

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Solution

The fourth proportional to 22,068.36, 30,454.20 and 12,508.20 is: 17,261.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,068.36 : 30,454.20 = 12,508.20 : x
  2. Step 2: Convert to fraction form
    22,068.36/30,454.20 = 12,508.20/x
  3. Step 3: Cross multiply
    22,068.36x = 30,454.20 × 12,508.20
  4. Step 4: Simplify right side
    22,068.36x = 380,927,224.44
  5. Step 5: Solve for x
    x = 380,927,224.44/22,068.36
  6. Step 6: Final answer
    x = 17,261.24

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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.