Home / 14,268.52-19,646.58-12,140.20

Finding the Fourth Proportional to 14,268.52, 19,646.58 and 12,140.20

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Solution

The fourth proportional to 14,268.52, 19,646.58 and 12,140.20 is: 16,716.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,268.52 : 19,646.58 = 12,140.20 : x
  2. Step 2: Convert to fraction form
    14,268.52/19,646.58 = 12,140.20/x
  3. Step 3: Cross multiply
    14,268.52x = 19,646.58 × 12,140.20
  4. Step 4: Simplify right side
    14,268.52x = 238,513,410.52
  5. Step 5: Solve for x
    x = 238,513,410.52/14,268.52
  6. Step 6: Final answer
    x = 16,716.06

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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.