Home / 10,002.07-13,808.64-8,894.80

Finding the Fourth Proportional to 10,002.07, 13,808.64 and 8,894.80

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Solution

The fourth proportional to 10,002.07, 13,808.64 and 8,894.80 is: 12,279.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,002.07 : 13,808.64 = 8,894.80 : x
  2. Step 2: Convert to fraction form
    10,002.07/13,808.64 = 8,894.80/x
  3. Step 3: Cross multiply
    10,002.07x = 13,808.64 × 8,894.80
  4. Step 4: Simplify right side
    10,002.07x = 122,825,091.07
  5. Step 5: Solve for x
    x = 122,825,091.07/10,002.07
  6. Step 6: Final answer
    x = 12,279.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.