Home / 11,417.20-17,125.80-9,667.60

Finding the Fourth Proportional to 11,417.20, 17,125.80 and 9,667.60

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Solution

The fourth proportional to 11,417.20, 17,125.80 and 9,667.60 is: 14,501.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,417.20 : 17,125.80 = 9,667.60 : x
  2. Step 2: Convert to fraction form
    11,417.20/17,125.80 = 9,667.60/x
  3. Step 3: Cross multiply
    11,417.20x = 17,125.80 × 9,667.60
  4. Step 4: Simplify right side
    11,417.20x = 165,565,384.08
  5. Step 5: Solve for x
    x = 165,565,384.08/11,417.20
  6. Step 6: Final answer
    x = 14,501.40

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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.