Home / 10,667.79-14,729.36-6,893.19

Finding the Fourth Proportional to 10,667.79, 14,729.36 and 6,893.19

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Solution

The fourth proportional to 10,667.79, 14,729.36 and 6,893.19 is: 9,517.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,667.79 : 14,729.36 = 6,893.19 : x
  2. Step 2: Convert to fraction form
    10,667.79/14,729.36 = 6,893.19/x
  3. Step 3: Cross multiply
    10,667.79x = 14,729.36 × 6,893.19
  4. Step 4: Simplify right side
    10,667.79x = 101,532,242.59
  5. Step 5: Solve for x
    x = 101,532,242.59/10,667.79
  6. Step 6: Final answer
    x = 9,517.65

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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.