Home / 12,242.88-18,347.90-10,077.75

Finding the Fourth Proportional to 12,242.88, 18,347.90 and 10,077.75

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Solution

The fourth proportional to 12,242.88, 18,347.90 and 10,077.75 is: 15,103.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,242.88 : 18,347.90 = 10,077.75 : x
  2. Step 2: Convert to fraction form
    12,242.88/18,347.90 = 10,077.75/x
  3. Step 3: Cross multiply
    12,242.88x = 18,347.90 × 10,077.75
  4. Step 4: Simplify right side
    12,242.88x = 184,905,498.84
  5. Step 5: Solve for x
    x = 184,905,498.84/12,242.88
  6. Step 6: Final answer
    x = 15,103.10

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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.