Home / 11,561.90-17,339.07-5,635.40

Finding the Fourth Proportional to 11,561.90, 17,339.07 and 5,635.40

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Solution

The fourth proportional to 11,561.90, 17,339.07 and 5,635.40 is: 8,451.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,561.90 : 17,339.07 = 5,635.40 : x
  2. Step 2: Convert to fraction form
    11,561.90/17,339.07 = 5,635.40/x
  3. Step 3: Cross multiply
    11,561.90x = 17,339.07 × 5,635.40
  4. Step 4: Simplify right side
    11,561.90x = 97,712,595.08
  5. Step 5: Solve for x
    x = 97,712,595.08/11,561.90
  6. Step 6: Final answer
    x = 8,451.26

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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.