Home / 10,974.80-15,145.26-6,259.16

Finding the Fourth Proportional to 10,974.80, 15,145.26 and 6,259.16

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Solution

The fourth proportional to 10,974.80, 15,145.26 and 6,259.16 is: 8,637.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,974.80 : 15,145.26 = 6,259.16 : x
  2. Step 2: Convert to fraction form
    10,974.80/15,145.26 = 6,259.16/x
  3. Step 3: Cross multiply
    10,974.80x = 15,145.26 × 6,259.16
  4. Step 4: Simplify right side
    10,974.80x = 94,796,605.58
  5. Step 5: Solve for x
    x = 94,796,605.58/10,974.80
  6. Step 6: Final answer
    x = 8,637.66

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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.