Home / 12,324.02-16,987.14-9,630.54

Finding the Fourth Proportional to 12,324.02, 16,987.14 and 9,630.54

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Solution

The fourth proportional to 12,324.02, 16,987.14 and 9,630.54 is: 13,274.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,324.02 : 16,987.14 = 9,630.54 : x
  2. Step 2: Convert to fraction form
    12,324.02/16,987.14 = 9,630.54/x
  3. Step 3: Cross multiply
    12,324.02x = 16,987.14 × 9,630.54
  4. Step 4: Simplify right side
    12,324.02x = 163,595,331.26
  5. Step 5: Solve for x
    x = 163,595,331.26/12,324.02
  6. Step 6: Final answer
    x = 13,274.51

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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.