Home / 15,584.11-21,505.77-8,510.59

Finding the Fourth Proportional to 15,584.11, 21,505.77 and 8,510.59

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Solution

The fourth proportional to 15,584.11, 21,505.77 and 8,510.59 is: 11,744.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,584.11 : 21,505.77 = 8,510.59 : x
  2. Step 2: Convert to fraction form
    15,584.11/21,505.77 = 8,510.59/x
  3. Step 3: Cross multiply
    15,584.11x = 21,505.77 × 8,510.59
  4. Step 4: Simplify right side
    15,584.11x = 183,026,791.10
  5. Step 5: Solve for x
    x = 183,026,791.10/15,584.11
  6. Step 6: Final answer
    x = 11,744.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.