Home / 11,366.80-15,677.35-7,389.30

Finding the Fourth Proportional to 11,366.80, 15,677.35 and 7,389.30

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Solution

The fourth proportional to 11,366.80, 15,677.35 and 7,389.30 is: 10,191.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,366.80 : 15,677.35 = 7,389.30 : x
  2. Step 2: Convert to fraction form
    11,366.80/15,677.35 = 7,389.30/x
  3. Step 3: Cross multiply
    11,366.80x = 15,677.35 × 7,389.30
  4. Step 4: Simplify right side
    11,366.80x = 115,844,642.36
  5. Step 5: Solve for x
    x = 115,844,642.36/11,366.80
  6. Step 6: Final answer
    x = 10,191.49

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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.