Home / 11,513.40-17,260.08-9,769.72

Finding the Fourth Proportional to 11,513.40, 17,260.08 and 9,769.72

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Solution

The fourth proportional to 11,513.40, 17,260.08 and 9,769.72 is: 14,646.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,513.40 : 17,260.08 = 9,769.72 : x
  2. Step 2: Convert to fraction form
    11,513.40/17,260.08 = 9,769.72/x
  3. Step 3: Cross multiply
    11,513.40x = 17,260.08 × 9,769.72
  4. Step 4: Simplify right side
    11,513.40x = 168,626,148.78
  5. Step 5: Solve for x
    x = 168,626,148.78/11,513.40
  6. Step 6: Final answer
    x = 14,646.08

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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.