Home / 17,384.60-23,990.70-9,426.80

Finding the Fourth Proportional to 17,384.60, 23,990.70 and 9,426.80

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Solution

The fourth proportional to 17,384.60, 23,990.70 and 9,426.80 is: 13,008.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,384.60 : 23,990.70 = 9,426.80 : x
  2. Step 2: Convert to fraction form
    17,384.60/23,990.70 = 9,426.80/x
  3. Step 3: Cross multiply
    17,384.60x = 23,990.70 × 9,426.80
  4. Step 4: Simplify right side
    17,384.60x = 226,155,530.76
  5. Step 5: Solve for x
    x = 226,155,530.76/17,384.60
  6. Step 6: Final answer
    x = 13,008.96

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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.