Home / 12,301.19-16,977.95-7,704.09

Finding the Fourth Proportional to 12,301.19, 16,977.95 and 7,704.09

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Solution

The fourth proportional to 12,301.19, 16,977.95 and 7,704.09 is: 10,633.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,301.19 : 16,977.95 = 7,704.09 : x
  2. Step 2: Convert to fraction form
    12,301.19/16,977.95 = 7,704.09/x
  3. Step 3: Cross multiply
    12,301.19x = 16,977.95 × 7,704.09
  4. Step 4: Simplify right side
    12,301.19x = 130,799,714.60
  5. Step 5: Solve for x
    x = 130,799,714.60/12,301.19
  6. Step 6: Final answer
    x = 10,633.10

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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.