Home / 12,787.39-17,652.06-8,598.07

Finding the Fourth Proportional to 12,787.39, 17,652.06 and 8,598.07

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Solution

The fourth proportional to 12,787.39, 17,652.06 and 8,598.07 is: 11,869.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,787.39 : 17,652.06 = 8,598.07 : x
  2. Step 2: Convert to fraction form
    12,787.39/17,652.06 = 8,598.07/x
  3. Step 3: Cross multiply
    12,787.39x = 17,652.06 × 8,598.07
  4. Step 4: Simplify right side
    12,787.39x = 151,773,669.59
  5. Step 5: Solve for x
    x = 151,773,669.59/12,787.39
  6. Step 6: Final answer
    x = 11,869.01

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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.