Home / 12,475.90-18,697.60-5,071.72

Finding the Fourth Proportional to 12,475.90, 18,697.60 and 5,071.72

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Solution

The fourth proportional to 12,475.90, 18,697.60 and 5,071.72 is: 7,600.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,475.90 : 18,697.60 = 5,071.72 : x
  2. Step 2: Convert to fraction form
    12,475.90/18,697.60 = 5,071.72/x
  3. Step 3: Cross multiply
    12,475.90x = 18,697.60 × 5,071.72
  4. Step 4: Simplify right side
    12,475.90x = 94,828,991.87
  5. Step 5: Solve for x
    x = 94,828,991.87/12,475.90
  6. Step 6: Final answer
    x = 7,600.97

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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.