Home / 16,969.53-23,368.62-15,886.50

Finding the Fourth Proportional to 16,969.53, 23,368.62 and 15,886.50

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Solution

The fourth proportional to 16,969.53, 23,368.62 and 15,886.50 is: 21,877.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,969.53 : 23,368.62 = 15,886.50 : x
  2. Step 2: Convert to fraction form
    16,969.53/23,368.62 = 15,886.50/x
  3. Step 3: Cross multiply
    16,969.53x = 23,368.62 × 15,886.50
  4. Step 4: Simplify right side
    16,969.53x = 371,245,581.63
  5. Step 5: Solve for x
    x = 371,245,581.63/16,969.53
  6. Step 6: Final answer
    x = 21,877.19

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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.