Home / 12,637.26-18,826.17-12,068.64

Finding the Fourth Proportional to 12,637.26, 18,826.17 and 12,068.64

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Solution

The fourth proportional to 12,637.26, 18,826.17 and 12,068.64 is: 17,979.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,637.26 : 18,826.17 = 12,068.64 : x
  2. Step 2: Convert to fraction form
    12,637.26/18,826.17 = 12,068.64/x
  3. Step 3: Cross multiply
    12,637.26x = 18,826.17 × 12,068.64
  4. Step 4: Simplify right side
    12,637.26x = 227,206,268.31
  5. Step 5: Solve for x
    x = 227,206,268.31/12,637.26
  6. Step 6: Final answer
    x = 17,979.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.