Home / 20,526.36-28,326.29-11,094.90

Finding the Fourth Proportional to 20,526.36, 28,326.29 and 11,094.90

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Solution

The fourth proportional to 20,526.36, 28,326.29 and 11,094.90 is: 15,310.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,526.36 : 28,326.29 = 11,094.90 : x
  2. Step 2: Convert to fraction form
    20,526.36/28,326.29 = 11,094.90/x
  3. Step 3: Cross multiply
    20,526.36x = 28,326.29 × 11,094.90
  4. Step 4: Simplify right side
    20,526.36x = 314,277,299.45
  5. Step 5: Solve for x
    x = 314,277,299.45/20,526.36
  6. Step 6: Final answer
    x = 15,310.91

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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.