Home / 21,854.49-32,734.35-13,536.60

Finding the Fourth Proportional to 21,854.49, 32,734.35 and 13,536.60

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Solution

The fourth proportional to 21,854.49, 32,734.35 and 13,536.60 is: 20,275.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,854.49 : 32,734.35 = 13,536.60 : x
  2. Step 2: Convert to fraction form
    21,854.49/32,734.35 = 13,536.60/x
  3. Step 3: Cross multiply
    21,854.49x = 32,734.35 × 13,536.60
  4. Step 4: Simplify right side
    21,854.49x = 443,111,802.21
  5. Step 5: Solve for x
    x = 443,111,802.21/21,854.49
  6. Step 6: Final answer
    x = 20,275.55

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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.