Home / 9,422.02-13,001.94-5,172.98

Finding the Fourth Proportional to 9,422.02, 13,001.94 and 5,172.98

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Solution

The fourth proportional to 9,422.02, 13,001.94 and 5,172.98 is: 7,138.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,422.02 : 13,001.94 = 5,172.98 : x
  2. Step 2: Convert to fraction form
    9,422.02/13,001.94 = 5,172.98/x
  3. Step 3: Cross multiply
    9,422.02x = 13,001.94 × 5,172.98
  4. Step 4: Simplify right side
    9,422.02x = 67,258,775.58
  5. Step 5: Solve for x
    x = 67,258,775.58/9,422.02
  6. Step 6: Final answer
    x = 7,138.47

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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.