Home / 16,689.07-23,030.90-9,135.33

Finding the Fourth Proportional to 16,689.07, 23,030.90 and 9,135.33

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Solution

The fourth proportional to 16,689.07, 23,030.90 and 9,135.33 is: 12,606.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,689.07 : 23,030.90 = 9,135.33 : x
  2. Step 2: Convert to fraction form
    16,689.07/23,030.90 = 9,135.33/x
  3. Step 3: Cross multiply
    16,689.07x = 23,030.90 × 9,135.33
  4. Step 4: Simplify right side
    16,689.07x = 210,394,797.23
  5. Step 5: Solve for x
    x = 210,394,797.23/16,689.07
  6. Step 6: Final answer
    x = 12,606.74

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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.