Home / 12,045.13-16,622.58-6,739.90

Finding the Fourth Proportional to 12,045.13, 16,622.58 and 6,739.90

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Solution

The fourth proportional to 12,045.13, 16,622.58 and 6,739.90 is: 9,301.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,045.13 : 16,622.58 = 6,739.90 : x
  2. Step 2: Convert to fraction form
    12,045.13/16,622.58 = 6,739.90/x
  3. Step 3: Cross multiply
    12,045.13x = 16,622.58 × 6,739.90
  4. Step 4: Simplify right side
    12,045.13x = 112,034,526.94
  5. Step 5: Solve for x
    x = 112,034,526.94/12,045.13
  6. Step 6: Final answer
    x = 9,301.23

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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.