Home / 12,741.48-17,569.80-8,963.40

Finding the Fourth Proportional to 12,741.48, 17,569.80 and 8,963.40

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Solution

The fourth proportional to 12,741.48, 17,569.80 and 8,963.40 is: 12,360.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,741.48 : 17,569.80 = 8,963.40 : x
  2. Step 2: Convert to fraction form
    12,741.48/17,569.80 = 8,963.40/x
  3. Step 3: Cross multiply
    12,741.48x = 17,569.80 × 8,963.40
  4. Step 4: Simplify right side
    12,741.48x = 157,485,145.32
  5. Step 5: Solve for x
    x = 157,485,145.32/12,741.48
  6. Step 6: Final answer
    x = 12,360.04

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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.