Home / 11,033.36-15,224.68-6,557.20

Finding the Fourth Proportional to 11,033.36, 15,224.68 and 6,557.20

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Solution

The fourth proportional to 11,033.36, 15,224.68 and 6,557.20 is: 9,048.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,033.36 : 15,224.68 = 6,557.20 : x
  2. Step 2: Convert to fraction form
    11,033.36/15,224.68 = 6,557.20/x
  3. Step 3: Cross multiply
    11,033.36x = 15,224.68 × 6,557.20
  4. Step 4: Simplify right side
    11,033.36x = 99,831,271.70
  5. Step 5: Solve for x
    x = 99,831,271.70/11,033.36
  6. Step 6: Final answer
    x = 9,048.13

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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.