Home / 12,224.71-18,335.15-4,727.21

Finding the Fourth Proportional to 12,224.71, 18,335.15 and 4,727.21

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Solution

The fourth proportional to 12,224.71, 18,335.15 and 4,727.21 is: 7,090.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,224.71 : 18,335.15 = 4,727.21 : x
  2. Step 2: Convert to fraction form
    12,224.71/18,335.15 = 4,727.21/x
  3. Step 3: Cross multiply
    12,224.71x = 18,335.15 × 4,727.21
  4. Step 4: Simplify right side
    12,224.71x = 86,674,080.80
  5. Step 5: Solve for x
    x = 86,674,080.80/12,224.71
  6. Step 6: Final answer
    x = 7,090.08

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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.