Home / 9,436.05-13,022.10-5,187.60

Finding the Fourth Proportional to 9,436.05, 13,022.10 and 5,187.60

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Solution

The fourth proportional to 9,436.05, 13,022.10 and 5,187.60 is: 7,159.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,436.05 : 13,022.10 = 5,187.60 : x
  2. Step 2: Convert to fraction form
    9,436.05/13,022.10 = 5,187.60/x
  3. Step 3: Cross multiply
    9,436.05x = 13,022.10 × 5,187.60
  4. Step 4: Simplify right side
    9,436.05x = 67,553,445.96
  5. Step 5: Solve for x
    x = 67,553,445.96/9,436.05
  6. Step 6: Final answer
    x = 7,159.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.