Home / 13,444.27-18,551.34-7,474.75

Finding the Fourth Proportional to 13,444.27, 18,551.34 and 7,474.75

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Solution

The fourth proportional to 13,444.27, 18,551.34 and 7,474.75 is: 10,314.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444.27 : 18,551.34 = 7,474.75 : x
  2. Step 2: Convert to fraction form
    13,444.27/18,551.34 = 7,474.75/x
  3. Step 3: Cross multiply
    13,444.27x = 18,551.34 × 7,474.75
  4. Step 4: Simplify right side
    13,444.27x = 138,666,628.67
  5. Step 5: Solve for x
    x = 138,666,628.67/13,444.27
  6. Step 6: Final answer
    x = 10,314.18

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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.