Home / 11,513.29-17,271.75-3,615.19

Finding the Fourth Proportional to 11,513.29, 17,271.75 and 3,615.19

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Solution

The fourth proportional to 11,513.29, 17,271.75 and 3,615.19 is: 5,423.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,513.29 : 17,271.75 = 3,615.19 : x
  2. Step 2: Convert to fraction form
    11,513.29/17,271.75 = 3,615.19/x
  3. Step 3: Cross multiply
    11,513.29x = 17,271.75 × 3,615.19
  4. Step 4: Simplify right side
    11,513.29x = 62,440,657.88
  5. Step 5: Solve for x
    x = 62,440,657.88/11,513.29
  6. Step 6: Final answer
    x = 5,423.35

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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.