Home / 12,054.52-16,637.16-9,216.43

Finding the Fourth Proportional to 12,054.52, 16,637.16 and 9,216.43

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Solution

The fourth proportional to 12,054.52, 16,637.16 and 9,216.43 is: 12,720.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,054.52 : 16,637.16 = 9,216.43 : x
  2. Step 2: Convert to fraction form
    12,054.52/16,637.16 = 9,216.43/x
  3. Step 3: Cross multiply
    12,054.52x = 16,637.16 × 9,216.43
  4. Step 4: Simplify right side
    12,054.52x = 153,335,220.54
  5. Step 5: Solve for x
    x = 153,335,220.54/12,054.52
  6. Step 6: Final answer
    x = 12,720.14

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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.