Home / 18,258.15-27,387.47-6,411.45

Finding the Fourth Proportional to 18,258.15, 27,387.47 and 6,411.45

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Solution

The fourth proportional to 18,258.15, 27,387.47 and 6,411.45 is: 9,617.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,258.15 : 27,387.47 = 6,411.45 : x
  2. Step 2: Convert to fraction form
    18,258.15/27,387.47 = 6,411.45/x
  3. Step 3: Cross multiply
    18,258.15x = 27,387.47 × 6,411.45
  4. Step 4: Simplify right side
    18,258.15x = 175,593,394.53
  5. Step 5: Solve for x
    x = 175,593,394.53/18,258.15
  6. Step 6: Final answer
    x = 9,617.26

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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.