Home / 12,383.02-17,088.60-7,077.97

Finding the Fourth Proportional to 12,383.02, 17,088.60 and 7,077.97

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Solution

The fourth proportional to 12,383.02, 17,088.60 and 7,077.97 is: 9,767.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,383.02 : 17,088.60 = 7,077.97 : x
  2. Step 2: Convert to fraction form
    12,383.02/17,088.60 = 7,077.97/x
  3. Step 3: Cross multiply
    12,383.02x = 17,088.60 × 7,077.97
  4. Step 4: Simplify right side
    12,383.02x = 120,952,598.14
  5. Step 5: Solve for x
    x = 120,952,598.14/12,383.02
  6. Step 6: Final answer
    x = 9,767.62

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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.