Home / 15,274.13-21,076.14-8,559.23

Finding the Fourth Proportional to 15,274.13, 21,076.14 and 8,559.23

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Solution

The fourth proportional to 15,274.13, 21,076.14 and 8,559.23 is: 11,810.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,274.13 : 21,076.14 = 8,559.23 : x
  2. Step 2: Convert to fraction form
    15,274.13/21,076.14 = 8,559.23/x
  3. Step 3: Cross multiply
    15,274.13x = 21,076.14 × 8,559.23
  4. Step 4: Simplify right side
    15,274.13x = 180,395,424.39
  5. Step 5: Solve for x
    x = 180,395,424.39/15,274.13
  6. Step 6: Final answer
    x = 11,810.52

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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.