Home / 14,319.47-19,759.86-7,946.39

Finding the Fourth Proportional to 14,319.47, 19,759.86 and 7,946.39

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Solution

The fourth proportional to 14,319.47, 19,759.86 and 7,946.39 is: 10,965.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,319.47 : 19,759.86 = 7,946.39 : x
  2. Step 2: Convert to fraction form
    14,319.47/19,759.86 = 7,946.39/x
  3. Step 3: Cross multiply
    14,319.47x = 19,759.86 × 7,946.39
  4. Step 4: Simplify right side
    14,319.47x = 157,019,553.91
  5. Step 5: Solve for x
    x = 157,019,553.91/14,319.47
  6. Step 6: Final answer
    x = 10,965.46

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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.