Home / 16,686.30-23,029.53-9,611.34

Finding the Fourth Proportional to 16,686.30, 23,029.53 and 9,611.34

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Solution

The fourth proportional to 16,686.30, 23,029.53 and 9,611.34 is: 13,265.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,686.30 : 23,029.53 = 9,611.34 : x
  2. Step 2: Convert to fraction form
    16,686.30/23,029.53 = 9,611.34/x
  3. Step 3: Cross multiply
    16,686.30x = 23,029.53 × 9,611.34
  4. Step 4: Simplify right side
    16,686.30x = 221,344,642.87
  5. Step 5: Solve for x
    x = 221,344,642.87/16,686.30
  6. Step 6: Final answer
    x = 13,265.05

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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.