Home / 10,212.60-15,306.12-5,532.60

Finding the Fourth Proportional to 10,212.60, 15,306.12 and 5,532.60

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Solution

The fourth proportional to 10,212.60, 15,306.12 and 5,532.60 is: 8,291.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,212.60 : 15,306.12 = 5,532.60 : x
  2. Step 2: Convert to fraction form
    10,212.60/15,306.12 = 5,532.60/x
  3. Step 3: Cross multiply
    10,212.60x = 15,306.12 × 5,532.60
  4. Step 4: Simplify right side
    10,212.60x = 84,682,639.51
  5. Step 5: Solve for x
    x = 84,682,639.51/10,212.60
  6. Step 6: Final answer
    x = 8,291.98

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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.