Home / 13,108.60-19,624.24-8,658.10

Finding the Fourth Proportional to 13,108.60, 19,624.24 and 8,658.10

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Solution

The fourth proportional to 13,108.60, 19,624.24 and 8,658.10 is: 12,961.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,108.60 : 19,624.24 = 8,658.10 : x
  2. Step 2: Convert to fraction form
    13,108.60/19,624.24 = 8,658.10/x
  3. Step 3: Cross multiply
    13,108.60x = 19,624.24 × 8,658.10
  4. Step 4: Simplify right side
    13,108.60x = 169,908,632.34
  5. Step 5: Solve for x
    x = 169,908,632.34/13,108.60
  6. Step 6: Final answer
    x = 12,961.62

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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.