Home / 12,210.96-18,266.28-9,750.60

Finding the Fourth Proportional to 12,210.96, 18,266.28 and 9,750.60

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Solution

The fourth proportional to 12,210.96, 18,266.28 and 9,750.60 is: 14,585.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,210.96 : 18,266.28 = 9,750.60 : x
  2. Step 2: Convert to fraction form
    12,210.96/18,266.28 = 9,750.60/x
  3. Step 3: Cross multiply
    12,210.96x = 18,266.28 × 9,750.60
  4. Step 4: Simplify right side
    12,210.96x = 178,107,189.77
  5. Step 5: Solve for x
    x = 178,107,189.77/12,210.96
  6. Step 6: Final answer
    x = 14,585.85

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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.