Home / 14,268.34-19,689.24-7,979.50

Finding the Fourth Proportional to 14,268.34, 19,689.24 and 7,979.50

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Solution

The fourth proportional to 14,268.34, 19,689.24 and 7,979.50 is: 11,011.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,268.34 : 19,689.24 = 7,979.50 : x
  2. Step 2: Convert to fraction form
    14,268.34/19,689.24 = 7,979.50/x
  3. Step 3: Cross multiply
    14,268.34x = 19,689.24 × 7,979.50
  4. Step 4: Simplify right side
    14,268.34x = 157,110,290.58
  5. Step 5: Solve for x
    x = 157,110,290.58/14,268.34
  6. Step 6: Final answer
    x = 11,011.11

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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.