Home / 15,782.49-23,670.93-5,251.47

Finding the Fourth Proportional to 15,782.49, 23,670.93 and 5,251.47

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Solution

The fourth proportional to 15,782.49, 23,670.93 and 5,251.47 is: 7,876.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,782.49 : 23,670.93 = 5,251.47 : x
  2. Step 2: Convert to fraction form
    15,782.49/23,670.93 = 5,251.47/x
  3. Step 3: Cross multiply
    15,782.49x = 23,670.93 × 5,251.47
  4. Step 4: Simplify right side
    15,782.49x = 124,307,178.77
  5. Step 5: Solve for x
    x = 124,307,178.77/15,782.49
  6. Step 6: Final answer
    x = 7,876.27

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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.