Home / 10,007.25-15,009.05-4,459.56

Finding the Fourth Proportional to 10,007.25, 15,009.05 and 4,459.56

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Solution

The fourth proportional to 10,007.25, 15,009.05 and 4,459.56 is: 6,688.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,007.25 : 15,009.05 = 4,459.56 : x
  2. Step 2: Convert to fraction form
    10,007.25/15,009.05 = 4,459.56/x
  3. Step 3: Cross multiply
    10,007.25x = 15,009.05 × 4,459.56
  4. Step 4: Simplify right side
    10,007.25x = 66,933,759.02
  5. Step 5: Solve for x
    x = 66,933,759.02/10,007.25
  6. Step 6: Final answer
    x = 6,688.53

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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.