Home / 16,858.79-23,265.09-9,305.58

Finding the Fourth Proportional to 16,858.79, 23,265.09 and 9,305.58

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Solution

The fourth proportional to 16,858.79, 23,265.09 and 9,305.58 is: 12,841.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,858.79 : 23,265.09 = 9,305.58 : x
  2. Step 2: Convert to fraction form
    16,858.79/23,265.09 = 9,305.58/x
  3. Step 3: Cross multiply
    16,858.79x = 23,265.09 × 9,305.58
  4. Step 4: Simplify right side
    16,858.79x = 216,495,156.20
  5. Step 5: Solve for x
    x = 216,495,156.20/16,858.79
  6. Step 6: Final answer
    x = 12,841.68

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1.5x scale

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.