Home / 13,283.01-18,330.62-7,617.98

Finding the Fourth Proportional to 13,283.01, 18,330.62 and 7,617.98

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Solution

The fourth proportional to 13,283.01, 18,330.62 and 7,617.98 is: 10,512.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,283.01 : 18,330.62 = 7,617.98 : x
  2. Step 2: Convert to fraction form
    13,283.01/18,330.62 = 7,617.98/x
  3. Step 3: Cross multiply
    13,283.01x = 18,330.62 × 7,617.98
  4. Step 4: Simplify right side
    13,283.01x = 139,642,304.28
  5. Step 5: Solve for x
    x = 139,642,304.28/13,283.01
  6. Step 6: Final answer
    x = 10,512.85

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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.