Home / 22,287.47-30,750.59-13,785.51

Finding the Fourth Proportional to 22,287.47, 30,750.59 and 13,785.51

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Solution

The fourth proportional to 22,287.47, 30,750.59 and 13,785.51 is: 19,020.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,287.47 : 30,750.59 = 13,785.51 : x
  2. Step 2: Convert to fraction form
    22,287.47/30,750.59 = 13,785.51/x
  3. Step 3: Cross multiply
    22,287.47x = 30,750.59 × 13,785.51
  4. Step 4: Simplify right side
    22,287.47x = 423,912,497.02
  5. Step 5: Solve for x
    x = 423,912,497.02/22,287.47
  6. Step 6: Final answer
    x = 19,020.22

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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.