Home / 19,718.61-29,578.00-4,927.55

Finding the Fourth Proportional to 19,718.61, 29,578.00 and 4,927.55

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Solution

The fourth proportional to 19,718.61, 29,578.00 and 4,927.55 is: 7,391.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,718.61 : 29,578.00 = 4,927.55 : x
  2. Step 2: Convert to fraction form
    19,718.61/29,578.00 = 4,927.55/x
  3. Step 3: Cross multiply
    19,718.61x = 29,578.00 × 4,927.55
  4. Step 4: Simplify right side
    19,718.61x = 145,746,969.15
  5. Step 5: Solve for x
    x = 145,746,969.15/19,718.61
  6. Step 6: Final answer
    x = 7,391.34

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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.