Home / 15,784.19-23,677.33-5,253.79

Finding the Fourth Proportional to 15,784.19, 23,677.33 and 5,253.79

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Solution

The fourth proportional to 15,784.19, 23,677.33 and 5,253.79 is: 7,881.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,784.19 : 23,677.33 = 5,253.79 : x
  2. Step 2: Convert to fraction form
    15,784.19/23,677.33 = 5,253.79/x
  3. Step 3: Cross multiply
    15,784.19x = 23,677.33 × 5,253.79
  4. Step 4: Simplify right side
    15,784.19x = 124,395,719.58
  5. Step 5: Solve for x
    x = 124,395,719.58/15,784.19
  6. Step 6: Final answer
    x = 7,881.03

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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.