Home / 12,923.69-19,386-4,600.63

Finding the Fourth Proportional to 12,923.69, 19,386 and 4,600.63

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Solution

The fourth proportional to 12,923.69, 19,386 and 4,600.63 is: 6,901.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923.69 : 19,386 = 4,600.63 : x
  2. Step 2: Convert to fraction form
    12,923.69/19,386 = 4,600.63/x
  3. Step 3: Cross multiply
    12,923.69x = 19,386 × 4,600.63
  4. Step 4: Simplify right side
    12,923.69x = 89,187,837.41
  5. Step 5: Solve for x
    x = 89,187,837.41/12,923.69
  6. Step 6: Final answer
    x = 6,901.12

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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.