Home / 14,267.34-19,689.84-7,979.76

Finding the Fourth Proportional to 14,267.34, 19,689.84 and 7,979.76

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Solution

The fourth proportional to 14,267.34, 19,689.84 and 7,979.76 is: 11,012.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,267.34 : 19,689.84 = 7,979.76 : x
  2. Step 2: Convert to fraction form
    14,267.34/19,689.84 = 7,979.76/x
  3. Step 3: Cross multiply
    14,267.34x = 19,689.84 × 7,979.76
  4. Step 4: Simplify right side
    14,267.34x = 157,120,197.64
  5. Step 5: Solve for x
    x = 157,120,197.64/14,267.34
  6. Step 6: Final answer
    x = 11,012.58

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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.