Home / 22,130.16-30,550.80-14,587.44

Finding the Fourth Proportional to 22,130.16, 30,550.80 and 14,587.44

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Solution

The fourth proportional to 22,130.16, 30,550.80 and 14,587.44 is: 20,138.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,130.16 : 30,550.80 = 14,587.44 : x
  2. Step 2: Convert to fraction form
    22,130.16/30,550.80 = 14,587.44/x
  3. Step 3: Cross multiply
    22,130.16x = 30,550.80 × 14,587.44
  4. Step 4: Simplify right side
    22,130.16x = 445,657,961.95
  5. Step 5: Solve for x
    x = 445,657,961.95/22,130.16
  6. Step 6: Final answer
    x = 20,138.04

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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.