Home / 12,005.13-16,567.23-6,969.56

Finding the Fourth Proportional to 12,005.13, 16,567.23 and 6,969.56

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Solution

The fourth proportional to 12,005.13, 16,567.23 and 6,969.56 is: 9,618.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,005.13 : 16,567.23 = 6,969.56 : x
  2. Step 2: Convert to fraction form
    12,005.13/16,567.23 = 6,969.56/x
  3. Step 3: Cross multiply
    12,005.13x = 16,567.23 × 6,969.56
  4. Step 4: Simplify right side
    12,005.13x = 115,466,268.67
  5. Step 5: Solve for x
    x = 115,466,268.67/12,005.13
  6. Step 6: Final answer
    x = 9,618.08

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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.