Home / 15,913.88-23,864.66-5,381.08

Finding the Fourth Proportional to 15,913.88, 23,864.66 and 5,381.08

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Solution

The fourth proportional to 15,913.88, 23,864.66 and 5,381.08 is: 8,069.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,913.88 : 23,864.66 = 5,381.08 : x
  2. Step 2: Convert to fraction form
    15,913.88/23,864.66 = 5,381.08/x
  3. Step 3: Cross multiply
    15,913.88x = 23,864.66 × 5,381.08
  4. Step 4: Simplify right side
    15,913.88x = 128,417,644.63
  5. Step 5: Solve for x
    x = 128,417,644.63/15,913.88
  6. Step 6: Final answer
    x = 8,069.54

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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.