Home / 16,985.07-23,439.39-9,910.13

Finding the Fourth Proportional to 16,985.07, 23,439.39 and 9,910.13

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Solution

The fourth proportional to 16,985.07, 23,439.39 and 9,910.13 is: 13,675.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,985.07 : 23,439.39 = 9,910.13 : x
  2. Step 2: Convert to fraction form
    16,985.07/23,439.39 = 9,910.13/x
  3. Step 3: Cross multiply
    16,985.07x = 23,439.39 × 9,910.13
  4. Step 4: Simplify right side
    16,985.07x = 232,287,284.82
  5. Step 5: Solve for x
    x = 232,287,284.82/16,985.07
  6. Step 6: Final answer
    x = 13,675.97

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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.