Home / 12,866.42-19,301.45-4,098.37

Finding the Fourth Proportional to 12,866.42, 19,301.45 and 4,098.37

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Solution

The fourth proportional to 12,866.42, 19,301.45 and 4,098.37 is: 6,148.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,866.42 : 19,301.45 = 4,098.37 : x
  2. Step 2: Convert to fraction form
    12,866.42/19,301.45 = 4,098.37/x
  3. Step 3: Cross multiply
    12,866.42x = 19,301.45 × 4,098.37
  4. Step 4: Simplify right side
    12,866.42x = 79,104,483.64
  5. Step 5: Solve for x
    x = 79,104,483.64/12,866.42
  6. Step 6: Final answer
    x = 6,148.13

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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.