Home / 15,567.30-21,483.36-8,494.38

Finding the Fourth Proportional to 15,567.30, 21,483.36 and 8,494.38

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Solution

The fourth proportional to 15,567.30, 21,483.36 and 8,494.38 is: 11,722.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,567.30 : 21,483.36 = 8,494.38 : x
  2. Step 2: Convert to fraction form
    15,567.30/21,483.36 = 8,494.38/x
  3. Step 3: Cross multiply
    15,567.30x = 21,483.36 × 8,494.38
  4. Step 4: Simplify right side
    15,567.30x = 182,487,823.52
  5. Step 5: Solve for x
    x = 182,487,823.52/15,567.30
  6. Step 6: Final answer
    x = 11,722.51

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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.