Home / 18,258.34-27,398.84-11,689.24

Finding the Fourth Proportional to 18,258.34, 27,398.84 and 11,689.24

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Solution

The fourth proportional to 18,258.34, 27,398.84 and 11,689.24 is: 17,541.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,258.34 : 27,398.84 = 11,689.24 : x
  2. Step 2: Convert to fraction form
    18,258.34/27,398.84 = 11,689.24/x
  3. Step 3: Cross multiply
    18,258.34x = 27,398.84 × 11,689.24
  4. Step 4: Simplify right side
    18,258.34x = 320,271,508.71
  5. Step 5: Solve for x
    x = 320,271,508.71/18,258.34
  6. Step 6: Final answer
    x = 17,541.11

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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.