Home / 14,053.89-19,393.77-7,680.39

Finding the Fourth Proportional to 14,053.89, 19,393.77 and 7,680.39

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Solution

The fourth proportional to 14,053.89, 19,393.77 and 7,680.39 is: 10,598.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,053.89 : 19,393.77 = 7,680.39 : x
  2. Step 2: Convert to fraction form
    14,053.89/19,393.77 = 7,680.39/x
  3. Step 3: Cross multiply
    14,053.89x = 19,393.77 × 7,680.39
  4. Step 4: Simplify right side
    14,053.89x = 148,951,717.17
  5. Step 5: Solve for x
    x = 148,951,717.17/14,053.89
  6. Step 6: Final answer
    x = 10,598.61

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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.