Home / 9,667.40-14,468.70-8,889.80

Finding the Fourth Proportional to 9,667.40, 14,468.70 and 8,889.80

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Solution

The fourth proportional to 9,667.40, 14,468.70 and 8,889.80 is: 13,304.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,667.40 : 14,468.70 = 8,889.80 : x
  2. Step 2: Convert to fraction form
    9,667.40/14,468.70 = 8,889.80/x
  3. Step 3: Cross multiply
    9,667.40x = 14,468.70 × 8,889.80
  4. Step 4: Simplify right side
    9,667.40x = 128,623,849.26
  5. Step 5: Solve for x
    x = 128,623,849.26/9,667.40
  6. Step 6: Final answer
    x = 13,304.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.