Home / 12,670.63-19,006.42-4,356.39

Finding the Fourth Proportional to 12,670.63, 19,006.42 and 4,356.39

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Solution

The fourth proportional to 12,670.63, 19,006.42 and 4,356.39 is: 6,534.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,670.63 : 19,006.42 = 4,356.39 : x
  2. Step 2: Convert to fraction form
    12,670.63/19,006.42 = 4,356.39/x
  3. Step 3: Cross multiply
    12,670.63x = 19,006.42 × 4,356.39
  4. Step 4: Simplify right side
    12,670.63x = 82,799,378.02
  5. Step 5: Solve for x
    x = 82,799,378.02/12,670.63
  6. Step 6: Final answer
    x = 6,534.75

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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.