Home / 15,685.45-23,528.18-5,297.05

Finding the Fourth Proportional to 15,685.45, 23,528.18 and 5,297.05

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Solution

The fourth proportional to 15,685.45, 23,528.18 and 5,297.05 is: 7,945.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,685.45 : 23,528.18 = 5,297.05 : x
  2. Step 2: Convert to fraction form
    15,685.45/23,528.18 = 5,297.05/x
  3. Step 3: Cross multiply
    15,685.45x = 23,528.18 × 5,297.05
  4. Step 4: Simplify right side
    15,685.45x = 124,629,919.38
  5. Step 5: Solve for x
    x = 124,629,919.38/15,685.45
  6. Step 6: Final answer
    x = 7,945.58

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.