Home / 15,757.22-21,730.35-11,501.53

Finding the Fourth Proportional to 15,757.22, 21,730.35 and 11,501.53

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Solution

The fourth proportional to 15,757.22, 21,730.35 and 11,501.53 is: 15,861.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,757.22 : 21,730.35 = 11,501.53 : x
  2. Step 2: Convert to fraction form
    15,757.22/21,730.35 = 11,501.53/x
  3. Step 3: Cross multiply
    15,757.22x = 21,730.35 × 11,501.53
  4. Step 4: Simplify right side
    15,757.22x = 249,932,272.44
  5. Step 5: Solve for x
    x = 249,932,272.44/15,757.22
  6. Step 6: Final answer
    x = 15,861.44

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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.