Home / 12,836.78-19,254.11-5,045.59

Finding the Fourth Proportional to 12,836.78, 19,254.11 and 5,045.59

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Solution

The fourth proportional to 12,836.78, 19,254.11 and 5,045.59 is: 7,567.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,836.78 : 19,254.11 = 5,045.59 : x
  2. Step 2: Convert to fraction form
    12,836.78/19,254.11 = 5,045.59/x
  3. Step 3: Cross multiply
    12,836.78x = 19,254.11 × 5,045.59
  4. Step 4: Simplify right side
    12,836.78x = 97,148,343.71
  5. Step 5: Solve for x
    x = 97,148,343.71/12,836.78
  6. Step 6: Final answer
    x = 7,567.97

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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.