Home / 18,008.30-27,005.16-6,915.35

Finding the Fourth Proportional to 18,008.30, 27,005.16 and 6,915.35

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Solution

The fourth proportional to 18,008.30, 27,005.16 and 6,915.35 is: 10,370.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,008.30 : 27,005.16 = 6,915.35 : x
  2. Step 2: Convert to fraction form
    18,008.30/27,005.16 = 6,915.35/x
  3. Step 3: Cross multiply
    18,008.30x = 27,005.16 × 6,915.35
  4. Step 4: Simplify right side
    18,008.30x = 186,750,133.21
  5. Step 5: Solve for x
    x = 186,750,133.21/18,008.30
  6. Step 6: Final answer
    x = 10,370.23

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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.