Home / 15,925.72-23,892.66-11,255

Finding the Fourth Proportional to 15,925.72, 23,892.66 and 11,255

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Solution

The fourth proportional to 15,925.72, 23,892.66 and 11,255 is: 16,885.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,925.72 : 23,892.66 = 11,255 : x
  2. Step 2: Convert to fraction form
    15,925.72/23,892.66 = 11,255/x
  3. Step 3: Cross multiply
    15,925.72x = 23,892.66 × 11,255
  4. Step 4: Simplify right side
    15,925.72x = 268,911,888.30
  5. Step 5: Solve for x
    x = 268,911,888.30/15,925.72
  6. Step 6: Final answer
    x = 16,885.38

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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.