Home / 10,004.56-15,005.13-4,159.60

Finding the Fourth Proportional to 10,004.56, 15,005.13 and 4,159.60

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Solution

The fourth proportional to 10,004.56, 15,005.13 and 4,159.60 is: 6,238.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,004.56 : 15,005.13 = 4,159.60 : x
  2. Step 2: Convert to fraction form
    10,004.56/15,005.13 = 4,159.60/x
  3. Step 3: Cross multiply
    10,004.56x = 15,005.13 × 4,159.60
  4. Step 4: Simplify right side
    10,004.56x = 62,415,338.75
  5. Step 5: Solve for x
    x = 62,415,338.75/10,004.56
  6. Step 6: Final answer
    x = 6,238.69

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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.