Home / 11,069.19-15,272.69-7,486.02

Finding the Fourth Proportional to 11,069.19, 15,272.69 and 7,486.02

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Solution

The fourth proportional to 11,069.19, 15,272.69 and 7,486.02 is: 10,328.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,069.19 : 15,272.69 = 7,486.02 : x
  2. Step 2: Convert to fraction form
    11,069.19/15,272.69 = 7,486.02/x
  3. Step 3: Cross multiply
    11,069.19x = 15,272.69 × 7,486.02
  4. Step 4: Simplify right side
    11,069.19x = 114,331,625.36
  5. Step 5: Solve for x
    x = 114,331,625.36/11,069.19
  6. Step 6: Final answer
    x = 10,328.82

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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.