Home / 10,286.16-14,194.90-5,570.44

Finding the Fourth Proportional to 10,286.16, 14,194.90 and 5,570.44

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Solution

The fourth proportional to 10,286.16, 14,194.90 and 5,570.44 is: 7,687.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.16 : 14,194.90 = 5,570.44 : x
  2. Step 2: Convert to fraction form
    10,286.16/14,194.90 = 5,570.44/x
  3. Step 3: Cross multiply
    10,286.16x = 14,194.90 × 5,570.44
  4. Step 4: Simplify right side
    10,286.16x = 79,071,888.17
  5. Step 5: Solve for x
    x = 79,071,888.17/10,286.16
  6. Step 6: Final answer
    x = 7,687.21

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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.