Home / 16,697.90-23,045.73-9,988.76

Finding the Fourth Proportional to 16,697.90, 23,045.73 and 9,988.76

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Solution

The fourth proportional to 16,697.90, 23,045.73 and 9,988.76 is: 13,786.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,697.90 : 23,045.73 = 9,988.76 : x
  2. Step 2: Convert to fraction form
    16,697.90/23,045.73 = 9,988.76/x
  3. Step 3: Cross multiply
    16,697.90x = 23,045.73 × 9,988.76
  4. Step 4: Simplify right side
    16,697.90x = 230,198,265.99
  5. Step 5: Solve for x
    x = 230,198,265.99/16,697.90
  6. Step 6: Final answer
    x = 13,786.06

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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.