Home / 19,866.77-29,798.18-6,718.95

Finding the Fourth Proportional to 19,866.77, 29,798.18 and 6,718.95

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Solution

The fourth proportional to 19,866.77, 29,798.18 and 6,718.95 is: 10,077.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,866.77 : 29,798.18 = 6,718.95 : x
  2. Step 2: Convert to fraction form
    19,866.77/29,798.18 = 6,718.95/x
  3. Step 3: Cross multiply
    19,866.77x = 29,798.18 × 6,718.95
  4. Step 4: Simplify right side
    19,866.77x = 200,212,473.11
  5. Step 5: Solve for x
    x = 200,212,473.11/19,866.77
  6. Step 6: Final answer
    x = 10,077.76

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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.