Home / 15,567.80-21,483.42-8,494.06

Finding the Fourth Proportional to 15,567.80, 21,483.42 and 8,494.06

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Solution

The fourth proportional to 15,567.80, 21,483.42 and 8,494.06 is: 11,721.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,567.80 : 21,483.42 = 8,494.06 : x
  2. Step 2: Convert to fraction form
    15,567.80/21,483.42 = 8,494.06/x
  3. Step 3: Cross multiply
    15,567.80x = 21,483.42 × 8,494.06
  4. Step 4: Simplify right side
    15,567.80x = 182,481,458.49
  5. Step 5: Solve for x
    x = 182,481,458.49/15,567.80
  6. Step 6: Final answer
    x = 11,721.72

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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.