Home / 10,892.60-16,317.02-9,219.55

Finding the Fourth Proportional to 10,892.60, 16,317.02 and 9,219.55

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Solution

The fourth proportional to 10,892.60, 16,317.02 and 9,219.55 is: 13,810.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,892.60 : 16,317.02 = 9,219.55 : x
  2. Step 2: Convert to fraction form
    10,892.60/16,317.02 = 9,219.55/x
  3. Step 3: Cross multiply
    10,892.60x = 16,317.02 × 9,219.55
  4. Step 4: Simplify right side
    10,892.60x = 150,435,581.74
  5. Step 5: Solve for x
    x = 150,435,581.74/10,892.60
  6. Step 6: Final answer
    x = 13,810.81

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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.