Home / 11,068.09-15,271.44-9,282.80

Finding the Fourth Proportional to 11,068.09, 15,271.44 and 9,282.80

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Solution

The fourth proportional to 11,068.09, 15,271.44 and 9,282.80 is: 12,808.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,068.09 : 15,271.44 = 9,282.80 : x
  2. Step 2: Convert to fraction form
    11,068.09/15,271.44 = 9,282.80/x
  3. Step 3: Cross multiply
    11,068.09x = 15,271.44 × 9,282.80
  4. Step 4: Simplify right side
    11,068.09x = 141,761,726.60
  5. Step 5: Solve for x
    x = 141,761,726.60/11,068.09
  6. Step 6: Final answer
    x = 12,808.14

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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.