Home / 13,542.11-18,646.57-11,854.07

Finding the Fourth Proportional to 13,542.11, 18,646.57 and 11,854.07

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Solution

The fourth proportional to 13,542.11, 18,646.57 and 11,854.07 is: 16,322.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,542.11 : 18,646.57 = 11,854.07 : x
  2. Step 2: Convert to fraction form
    13,542.11/18,646.57 = 11,854.07/x
  3. Step 3: Cross multiply
    13,542.11x = 18,646.57 × 11,854.07
  4. Step 4: Simplify right side
    13,542.11x = 221,037,746.04
  5. Step 5: Solve for x
    x = 221,037,746.04/13,542.11
  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.