Home / 11,028.18-15,219.56-6,312.36

Finding the Fourth Proportional to 11,028.18, 15,219.56 and 6,312.36

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Solution

The fourth proportional to 11,028.18, 15,219.56 and 6,312.36 is: 8,711.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028.18 : 15,219.56 = 6,312.36 : x
  2. Step 2: Convert to fraction form
    11,028.18/15,219.56 = 6,312.36/x
  3. Step 3: Cross multiply
    11,028.18x = 15,219.56 × 6,312.36
  4. Step 4: Simplify right side
    11,028.18x = 96,071,341.76
  5. Step 5: Solve for x
    x = 96,071,341.76/11,028.18
  6. Step 6: Final answer
    x = 8,711.44

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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.