Home / 10,286.02-14,194.74-5,570.38

Finding the Fourth Proportional to 10,286.02, 14,194.74 and 5,570.38

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Solution

The fourth proportional to 10,286.02, 14,194.74 and 5,570.38 is: 7,687.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,286.02 : 14,194.74 = 5,570.38 : x
  2. Step 2: Convert to fraction form
    10,286.02/14,194.74 = 5,570.38/x
  3. Step 3: Cross multiply
    10,286.02x = 14,194.74 × 5,570.38
  4. Step 4: Simplify right side
    10,286.02x = 79,070,095.80
  5. Step 5: Solve for x
    x = 79,070,095.80/10,286.02
  6. Step 6: Final answer
    x = 7,687.14

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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.