Home / 16,686.78-23,027.37-9,133.02

Finding the Fourth Proportional to 16,686.78, 23,027.37 and 9,133.02

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Solution

The fourth proportional to 16,686.78, 23,027.37 and 9,133.02 is: 12,603.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,686.78 : 23,027.37 = 9,133.02 : x
  2. Step 2: Convert to fraction form
    16,686.78/23,027.37 = 9,133.02/x
  3. Step 3: Cross multiply
    16,686.78x = 23,027.37 × 9,133.02
  4. Step 4: Simplify right side
    16,686.78x = 210,309,430.76
  5. Step 5: Solve for x
    x = 210,309,430.76/16,686.78
  6. Step 6: Final answer
    x = 12,603.36

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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.