Home / 14,319.39-19,760.72-7,946.94

Finding the Fourth Proportional to 14,319.39, 19,760.72 and 7,946.94

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Solution

The fourth proportional to 14,319.39, 19,760.72 and 7,946.94 is: 10,966.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,319.39 : 19,760.72 = 7,946.94 : x
  2. Step 2: Convert to fraction form
    14,319.39/19,760.72 = 7,946.94/x
  3. Step 3: Cross multiply
    14,319.39x = 19,760.72 × 7,946.94
  4. Step 4: Simplify right side
    14,319.39x = 157,037,290.56
  5. Step 5: Solve for x
    x = 157,037,290.56/14,319.39
  6. Step 6: Final answer
    x = 10,966.76

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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.