Home / 12,886.46-19,329.08-4,566.34

Finding the Fourth Proportional to 12,886.46, 19,329.08 and 4,566.34

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Solution

The fourth proportional to 12,886.46, 19,329.08 and 4,566.34 is: 6,849.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,886.46 : 19,329.08 = 4,566.34 : x
  2. Step 2: Convert to fraction form
    12,886.46/19,329.08 = 4,566.34/x
  3. Step 3: Cross multiply
    12,886.46x = 19,329.08 × 4,566.34
  4. Step 4: Simplify right side
    12,886.46x = 88,263,151.17
  5. Step 5: Solve for x
    x = 88,263,151.17/12,886.46
  6. Step 6: Final answer
    x = 6,849.29

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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.