Home / 10,129.36-15,197.60-5,201.32

Finding the Fourth Proportional to 10,129.36, 15,197.60 and 5,201.32

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Solution

The fourth proportional to 10,129.36, 15,197.60 and 5,201.32 is: 7,803.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,129.36 : 15,197.60 = 5,201.32 : x
  2. Step 2: Convert to fraction form
    10,129.36/15,197.60 = 5,201.32/x
  3. Step 3: Cross multiply
    10,129.36x = 15,197.60 × 5,201.32
  4. Step 4: Simplify right side
    10,129.36x = 79,047,580.83
  5. Step 5: Solve for x
    x = 79,047,580.83/10,129.36
  6. Step 6: Final answer
    x = 7,803.81

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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.