Home / 18,339.84-27,521.28-8,985.60

Finding the Fourth Proportional to 18,339.84, 27,521.28 and 8,985.60

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Solution

The fourth proportional to 18,339.84, 27,521.28 and 8,985.60 is: 13,484.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,339.84 : 27,521.28 = 8,985.60 : x
  2. Step 2: Convert to fraction form
    18,339.84/27,521.28 = 8,985.60/x
  3. Step 3: Cross multiply
    18,339.84x = 27,521.28 × 8,985.60
  4. Step 4: Simplify right side
    18,339.84x = 247,295,213.57
  5. Step 5: Solve for x
    x = 247,295,213.57/18,339.84
  6. Step 6: Final answer
    x = 13,484.04

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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.