Home / 13,660.04-20,492.70-5,339.72

Finding the Fourth Proportional to 13,660.04, 20,492.70 and 5,339.72

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Solution

The fourth proportional to 13,660.04, 20,492.70 and 5,339.72 is: 8,010.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,660.04 : 20,492.70 = 5,339.72 : x
  2. Step 2: Convert to fraction form
    13,660.04/20,492.70 = 5,339.72/x
  3. Step 3: Cross multiply
    13,660.04x = 20,492.70 × 5,339.72
  4. Step 4: Simplify right side
    13,660.04x = 109,425,280.04
  5. Step 5: Solve for x
    x = 109,425,280.04/13,660.04
  6. Step 6: Final answer
    x = 8,010.61

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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.