Home / 12,907.18-19,363.47-4,022.29

Finding the Fourth Proportional to 12,907.18, 19,363.47 and 4,022.29

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Solution

The fourth proportional to 12,907.18, 19,363.47 and 4,022.29 is: 6,034.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,907.18 : 19,363.47 = 4,022.29 : x
  2. Step 2: Convert to fraction form
    12,907.18/19,363.47 = 4,022.29/x
  3. Step 3: Cross multiply
    12,907.18x = 19,363.47 × 4,022.29
  4. Step 4: Simplify right side
    12,907.18x = 77,885,491.75
  5. Step 5: Solve for x
    x = 77,885,491.75/12,907.18
  6. Step 6: Final answer
    x = 6,034.28

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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.