Home / 13,154.07-19,735.70-8,217.93

Finding the Fourth Proportional to 13,154.07, 19,735.70 and 8,217.93

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Solution

The fourth proportional to 13,154.07, 19,735.70 and 8,217.93 is: 12,329.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,154.07 : 19,735.70 = 8,217.93 : x
  2. Step 2: Convert to fraction form
    13,154.07/19,735.70 = 8,217.93/x
  3. Step 3: Cross multiply
    13,154.07x = 19,735.70 × 8,217.93
  4. Step 4: Simplify right side
    13,154.07x = 162,186,601.10
  5. Step 5: Solve for x
    x = 162,186,601.10/13,154.07
  6. Step 6: Final answer
    x = 12,329.77

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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.