Home / 15,985.19-23,976.79-4,891.01

Finding the Fourth Proportional to 15,985.19, 23,976.79 and 4,891.01

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Solution

The fourth proportional to 15,985.19, 23,976.79 and 4,891.01 is: 7,336.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,985.19 : 23,976.79 = 4,891.01 : x
  2. Step 2: Convert to fraction form
    15,985.19/23,976.79 = 4,891.01/x
  3. Step 3: Cross multiply
    15,985.19x = 23,976.79 × 4,891.01
  4. Step 4: Simplify right side
    15,985.19x = 117,270,587.55
  5. Step 5: Solve for x
    x = 117,270,587.55/15,985.19
  6. Step 6: Final answer
    x = 7,336.20

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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.