Home / 16,686.90-23,028.51-9,133.08

Finding the Fourth Proportional to 16,686.90, 23,028.51 and 9,133.08

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Solution

The fourth proportional to 16,686.90, 23,028.51 and 9,133.08 is: 12,603.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,686.90 : 23,028.51 = 9,133.08 : x
  2. Step 2: Convert to fraction form
    16,686.90/23,028.51 = 9,133.08/x
  3. Step 3: Cross multiply
    16,686.90x = 23,028.51 × 9,133.08
  4. Step 4: Simplify right side
    16,686.90x = 210,321,224.11
  5. Step 5: Solve for x
    x = 210,321,224.11/16,686.90
  6. Step 6: Final answer
    x = 12,603.97

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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.