Home / 17,385.09-23,990.99-9,427.11

Finding the Fourth Proportional to 17,385.09, 23,990.99 and 9,427.11

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Solution

The fourth proportional to 17,385.09, 23,990.99 and 9,427.11 is: 13,009.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,385.09 : 23,990.99 = 9,427.11 : x
  2. Step 2: Convert to fraction form
    17,385.09/23,990.99 = 9,427.11/x
  3. Step 3: Cross multiply
    17,385.09x = 23,990.99 × 9,427.11
  4. Step 4: Simplify right side
    17,385.09x = 226,165,605.35
  5. Step 5: Solve for x
    x = 226,165,605.35/17,385.09
  6. Step 6: Final answer
    x = 13,009.17

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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.