Home / 16,990.07-23,446.17-9,333.45

Finding the Fourth Proportional to 16,990.07, 23,446.17 and 9,333.45

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Solution

The fourth proportional to 16,990.07, 23,446.17 and 9,333.45 is: 12,880.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,990.07 : 23,446.17 = 9,333.45 : x
  2. Step 2: Convert to fraction form
    16,990.07/23,446.17 = 9,333.45/x
  3. Step 3: Cross multiply
    16,990.07x = 23,446.17 × 9,333.45
  4. Step 4: Simplify right side
    16,990.07x = 218,833,655.39
  5. Step 5: Solve for x
    x = 218,833,655.39/16,990.07
  6. Step 6: Final answer
    x = 12,880.10

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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.