Home / 12,588.84-18,881.96-4,268.63

Finding the Fourth Proportional to 12,588.84, 18,881.96 and 4,268.63

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Solution

The fourth proportional to 12,588.84, 18,881.96 and 4,268.63 is: 6,402.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,588.84 : 18,881.96 = 4,268.63 : x
  2. Step 2: Convert to fraction form
    12,588.84/18,881.96 = 4,268.63/x
  3. Step 3: Cross multiply
    12,588.84x = 18,881.96 × 4,268.63
  4. Step 4: Simplify right side
    12,588.84x = 80,600,100.91
  5. Step 5: Solve for x
    x = 80,600,100.91/12,588.84
  6. Step 6: Final answer
    x = 6,402.50

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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.