Home / 11,122.28-15,365.41-7,302.98

Finding the Fourth Proportional to 11,122.28, 15,365.41 and 7,302.98

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Solution

The fourth proportional to 11,122.28, 15,365.41 and 7,302.98 is: 10,089.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,122.28 : 15,365.41 = 7,302.98 : x
  2. Step 2: Convert to fraction form
    11,122.28/15,365.41 = 7,302.98/x
  3. Step 3: Cross multiply
    11,122.28x = 15,365.41 × 7,302.98
  4. Step 4: Simplify right side
    11,122.28x = 112,213,214.22
  5. Step 5: Solve for x
    x = 112,213,214.22/11,122.28
  6. Step 6: Final answer
    x = 10,089.05

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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.