Home / 16,960.40-23,406.79-9,409.17

Finding the Fourth Proportional to 16,960.40, 23,406.79 and 9,409.17

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Solution

The fourth proportional to 16,960.40, 23,406.79 and 9,409.17 is: 12,985.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,960.40 : 23,406.79 = 9,409.17 : x
  2. Step 2: Convert to fraction form
    16,960.40/23,406.79 = 9,409.17/x
  3. Step 3: Cross multiply
    16,960.40x = 23,406.79 × 9,409.17
  4. Step 4: Simplify right side
    16,960.40x = 220,238,466.26
  5. Step 5: Solve for x
    x = 220,238,466.26/16,960.40
  6. Step 6: Final answer
    x = 12,985.45

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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.