Home / 12,644.36-17,445.12-7,266.16

Finding the Fourth Proportional to 12,644.36, 17,445.12 and 7,266.16

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Solution

The fourth proportional to 12,644.36, 17,445.12 and 7,266.16 is: 10,024.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,644.36 : 17,445.12 = 7,266.16 : x
  2. Step 2: Convert to fraction form
    12,644.36/17,445.12 = 7,266.16/x
  3. Step 3: Cross multiply
    12,644.36x = 17,445.12 × 7,266.16
  4. Step 4: Simplify right side
    12,644.36x = 126,759,033.14
  5. Step 5: Solve for x
    x = 126,759,033.14/12,644.36
  6. Step 6: Final answer
    x = 10,024.95

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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.