Home / 11,015.98-16,444.73-9,439

Finding the Fourth Proportional to 11,015.98, 16,444.73 and 9,439

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Solution

The fourth proportional to 11,015.98, 16,444.73 and 9,439 is: 14,090.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,015.98 : 16,444.73 = 9,439 : x
  2. Step 2: Convert to fraction form
    11,015.98/16,444.73 = 9,439/x
  3. Step 3: Cross multiply
    11,015.98x = 16,444.73 × 9,439
  4. Step 4: Simplify right side
    11,015.98x = 155,221,806.47
  5. Step 5: Solve for x
    x = 155,221,806.47/11,015.98
  6. Step 6: Final answer
    x = 14,090.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.