Home / 12,621.13-17,400.98-10,344.08

Finding the Fourth Proportional to 12,621.13, 17,400.98 and 10,344.08

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Solution

The fourth proportional to 12,621.13, 17,400.98 and 10,344.08 is: 14,261.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,621.13 : 17,400.98 = 10,344.08 : x
  2. Step 2: Convert to fraction form
    12,621.13/17,400.98 = 10,344.08/x
  3. Step 3: Cross multiply
    12,621.13x = 17,400.98 × 10,344.08
  4. Step 4: Simplify right side
    12,621.13x = 179,997,129.20
  5. Step 5: Solve for x
    x = 179,997,129.20/12,621.13
  6. Step 6: Final answer
    x = 14,261.57

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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.