Home / 13,255.34-18,283.17-9,277.42

Finding the Fourth Proportional to 13,255.34, 18,283.17 and 9,277.42

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Solution

The fourth proportional to 13,255.34, 18,283.17 and 9,277.42 is: 12,796.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,255.34 : 18,283.17 = 9,277.42 : x
  2. Step 2: Convert to fraction form
    13,255.34/18,283.17 = 9,277.42/x
  3. Step 3: Cross multiply
    13,255.34x = 18,283.17 × 9,277.42
  4. Step 4: Simplify right side
    13,255.34x = 169,620,647.02
  5. Step 5: Solve for x
    x = 169,620,647.02/13,255.34
  6. Step 6: Final answer
    x = 12,796.40

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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.