Home / 9,135.18-13,705.47-3,867.48

Finding the Fourth Proportional to 9,135.18, 13,705.47 and 3,867.48

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Solution

The fourth proportional to 9,135.18, 13,705.47 and 3,867.48 is: 5,802.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,135.18 : 13,705.47 = 3,867.48 : x
  2. Step 2: Convert to fraction form
    9,135.18/13,705.47 = 3,867.48/x
  3. Step 3: Cross multiply
    9,135.18x = 13,705.47 × 3,867.48
  4. Step 4: Simplify right side
    9,135.18x = 53,005,631.12
  5. Step 5: Solve for x
    x = 53,005,631.12/9,135.18
  6. Step 6: Final answer
    x = 5,802.36

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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.