Home / 12,861.74-19,303.47-5,076.02

Finding the Fourth Proportional to 12,861.74, 19,303.47 and 5,076.02

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Solution

The fourth proportional to 12,861.74, 19,303.47 and 5,076.02 is: 7,618.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,861.74 : 19,303.47 = 5,076.02 : x
  2. Step 2: Convert to fraction form
    12,861.74/19,303.47 = 5,076.02/x
  3. Step 3: Cross multiply
    12,861.74x = 19,303.47 × 5,076.02
  4. Step 4: Simplify right side
    12,861.74x = 97,984,799.79
  5. Step 5: Solve for x
    x = 97,984,799.79/12,861.74
  6. Step 6: Final answer
    x = 7,618.32

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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.