Home / 16,990.49-25,475.65-6,461.28

Finding the Fourth Proportional to 16,990.49, 25,475.65 and 6,461.28

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Solution

The fourth proportional to 16,990.49, 25,475.65 and 6,461.28 is: 9,688.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,990.49 : 25,475.65 = 6,461.28 : x
  2. Step 2: Convert to fraction form
    16,990.49/25,475.65 = 6,461.28/x
  3. Step 3: Cross multiply
    16,990.49x = 25,475.65 × 6,461.28
  4. Step 4: Simplify right side
    16,990.49x = 164,605,291.68
  5. Step 5: Solve for x
    x = 164,605,291.68/16,990.49
  6. Step 6: Final answer
    x = 9,688.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.