Home / 10,431.02-15,646.26-3,505.52

Finding the Fourth Proportional to 10,431.02, 15,646.26 and 3,505.52

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Solution

The fourth proportional to 10,431.02, 15,646.26 and 3,505.52 is: 5,258.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,431.02 : 15,646.26 = 3,505.52 : x
  2. Step 2: Convert to fraction form
    10,431.02/15,646.26 = 3,505.52/x
  3. Step 3: Cross multiply
    10,431.02x = 15,646.26 × 3,505.52
  4. Step 4: Simplify right side
    10,431.02x = 54,848,277.36
  5. Step 5: Solve for x
    x = 54,848,277.36/10,431.02
  6. Step 6: Final answer
    x = 5,258.19

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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.