Home / 10,358.42-15,615.72-9,690.26

Finding the Fourth Proportional to 10,358.42, 15,615.72 and 9,690.26

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Solution

The fourth proportional to 10,358.42, 15,615.72 and 9,690.26 is: 14,608.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,358.42 : 15,615.72 = 9,690.26 : x
  2. Step 2: Convert to fraction form
    10,358.42/15,615.72 = 9,690.26/x
  3. Step 3: Cross multiply
    10,358.42x = 15,615.72 × 9,690.26
  4. Step 4: Simplify right side
    10,358.42x = 151,320,338.44
  5. Step 5: Solve for x
    x = 151,320,338.44/10,358.42
  6. Step 6: Final answer
    x = 14,608.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.