Home / 15,557.54-21,468.93-8,843.90

Finding the Fourth Proportional to 15,557.54, 21,468.93 and 8,843.90

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Solution

The fourth proportional to 15,557.54, 21,468.93 and 8,843.90 is: 12,204.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,557.54 : 21,468.93 = 8,843.90 : x
  2. Step 2: Convert to fraction form
    15,557.54/21,468.93 = 8,843.90/x
  3. Step 3: Cross multiply
    15,557.54x = 21,468.93 × 8,843.90
  4. Step 4: Simplify right side
    15,557.54x = 189,869,070.03
  5. Step 5: Solve for x
    x = 189,869,070.03/15,557.54
  6. Step 6: Final answer
    x = 12,204.31

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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.