Home / 13,542.12-18,646.57-11,854.08

Finding the Fourth Proportional to 13,542.12, 18,646.57 and 11,854.08

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Solution

The fourth proportional to 13,542.12, 18,646.57 and 11,854.08 is: 16,322.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,542.12 : 18,646.57 = 11,854.08 : x
  2. Step 2: Convert to fraction form
    13,542.12/18,646.57 = 11,854.08/x
  3. Step 3: Cross multiply
    13,542.12x = 18,646.57 × 11,854.08
  4. Step 4: Simplify right side
    13,542.12x = 221,037,932.51
  5. Step 5: Solve for x
    x = 221,037,932.51/13,542.12
  6. Step 6: Final answer
    x = 16,322.25

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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.