Home / 16,688.18-23,029.64-9,031.45

Finding the Fourth Proportional to 16,688.18, 23,029.64 and 9,031.45

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Solution

The fourth proportional to 16,688.18, 23,029.64 and 9,031.45 is: 12,463.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,688.18 : 23,029.64 = 9,031.45 : x
  2. Step 2: Convert to fraction form
    16,688.18/23,029.64 = 9,031.45/x
  3. Step 3: Cross multiply
    16,688.18x = 23,029.64 × 9,031.45
  4. Step 4: Simplify right side
    16,688.18x = 207,990,939.45
  5. Step 5: Solve for x
    x = 207,990,939.45/16,688.18
  6. Step 6: Final answer
    x = 12,463.37

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.