Home / 11,566.90-17,347.75-5,320.92

Finding the Fourth Proportional to 11,566.90, 17,347.75 and 5,320.92

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Solution

The fourth proportional to 11,566.90, 17,347.75 and 5,320.92 is: 7,980.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,566.90 : 17,347.75 = 5,320.92 : x
  2. Step 2: Convert to fraction form
    11,566.90/17,347.75 = 5,320.92/x
  3. Step 3: Cross multiply
    11,566.90x = 17,347.75 × 5,320.92
  4. Step 4: Simplify right side
    11,566.90x = 92,305,903.19
  5. Step 5: Solve for x
    x = 92,305,903.19/11,566.90
  6. Step 6: Final answer
    x = 7,980.18

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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.