Home / 14,039.73-19,374.59-7,752.11

Finding the Fourth Proportional to 14,039.73, 19,374.59 and 7,752.11

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Solution

The fourth proportional to 14,039.73, 19,374.59 and 7,752.11 is: 10,697.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,039.73 : 19,374.59 = 7,752.11 : x
  2. Step 2: Convert to fraction form
    14,039.73/19,374.59 = 7,752.11/x
  3. Step 3: Cross multiply
    14,039.73x = 19,374.59 × 7,752.11
  4. Step 4: Simplify right side
    14,039.73x = 150,193,875.39
  5. Step 5: Solve for x
    x = 150,193,875.39/14,039.73
  6. Step 6: Final answer
    x = 10,697.78

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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.