Home / 12,301.28-18,460.88-4,907.86

Finding the Fourth Proportional to 12,301.28, 18,460.88 and 4,907.86

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Solution

The fourth proportional to 12,301.28, 18,460.88 and 4,907.86 is: 7,365.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,301.28 : 18,460.88 = 4,907.86 : x
  2. Step 2: Convert to fraction form
    12,301.28/18,460.88 = 4,907.86/x
  3. Step 3: Cross multiply
    12,301.28x = 18,460.88 × 4,907.86
  4. Step 4: Simplify right side
    12,301.28x = 90,603,362.23
  5. Step 5: Solve for x
    x = 90,603,362.23/12,301.28
  6. Step 6: Final answer
    x = 7,365.36

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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.