Home / 22,307.02-30,783.12-12,097.49

Finding the Fourth Proportional to 22,307.02, 30,783.12 and 12,097.49

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Solution

The fourth proportional to 22,307.02, 30,783.12 and 12,097.49 is: 16,694.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,307.02 : 30,783.12 = 12,097.49 : x
  2. Step 2: Convert to fraction form
    22,307.02/30,783.12 = 12,097.49/x
  3. Step 3: Cross multiply
    22,307.02x = 30,783.12 × 12,097.49
  4. Step 4: Simplify right side
    22,307.02x = 372,398,287.09
  5. Step 5: Solve for x
    x = 372,398,287.09/22,307.02
  6. Step 6: Final answer
    x = 16,694.22

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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.