Home / 10,069.56-15,164.64-9,171.74

Finding the Fourth Proportional to 10,069.56, 15,164.64 and 9,171.74

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Solution

The fourth proportional to 10,069.56, 15,164.64 and 9,171.74 is: 13,812.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,069.56 : 15,164.64 = 9,171.74 : x
  2. Step 2: Convert to fraction form
    10,069.56/15,164.64 = 9,171.74/x
  3. Step 3: Cross multiply
    10,069.56x = 15,164.64 × 9,171.74
  4. Step 4: Simplify right side
    10,069.56x = 139,086,135.27
  5. Step 5: Solve for x
    x = 139,086,135.27/10,069.56
  6. Step 6: Final answer
    x = 13,812.53

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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.