Home / 15,877.64-21,904.98-10,211.66

Finding the Fourth Proportional to 15,877.64, 21,904.98 and 10,211.66

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Solution

The fourth proportional to 15,877.64, 21,904.98 and 10,211.66 is: 14,088.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,877.64 : 21,904.98 = 10,211.66 : x
  2. Step 2: Convert to fraction form
    15,877.64/21,904.98 = 10,211.66/x
  3. Step 3: Cross multiply
    15,877.64x = 21,904.98 × 10,211.66
  4. Step 4: Simplify right side
    15,877.64x = 223,686,098.54
  5. Step 5: Solve for x
    x = 223,686,098.54/15,877.64
  6. Step 6: Final answer
    x = 14,088.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.