Home / 15,811.64-23,717.01-4,124.86

Finding the Fourth Proportional to 15,811.64, 23,717.01 and 4,124.86

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Solution

The fourth proportional to 15,811.64, 23,717.01 and 4,124.86 is: 6,187.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,811.64 : 23,717.01 = 4,124.86 : x
  2. Step 2: Convert to fraction form
    15,811.64/23,717.01 = 4,124.86/x
  3. Step 3: Cross multiply
    15,811.64x = 23,717.01 × 4,124.86
  4. Step 4: Simplify right side
    15,811.64x = 97,829,345.87
  5. Step 5: Solve for x
    x = 97,829,345.87/15,811.64
  6. Step 6: Final answer
    x = 6,187.17

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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.