Home / 10,209.42-15,284.38-7,588.53

Finding the Fourth Proportional to 10,209.42, 15,284.38 and 7,588.53

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Solution

The fourth proportional to 10,209.42, 15,284.38 and 7,588.53 is: 11,360.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,209.42 : 15,284.38 = 7,588.53 : x
  2. Step 2: Convert to fraction form
    10,209.42/15,284.38 = 7,588.53/x
  3. Step 3: Cross multiply
    10,209.42x = 15,284.38 × 7,588.53
  4. Step 4: Simplify right side
    10,209.42x = 115,985,976.16
  5. Step 5: Solve for x
    x = 115,985,976.16/10,209.42
  6. Step 6: Final answer
    x = 11,360.68

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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.