Home / 22,969.02-31,697.58-12,899.64

Finding the Fourth Proportional to 22,969.02, 31,697.58 and 12,899.64

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Solution

The fourth proportional to 22,969.02, 31,697.58 and 12,899.64 is: 17,801.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,969.02 : 31,697.58 = 12,899.64 : x
  2. Step 2: Convert to fraction form
    22,969.02/31,697.58 = 12,899.64/x
  3. Step 3: Cross multiply
    22,969.02x = 31,697.58 × 12,899.64
  4. Step 4: Simplify right side
    22,969.02x = 408,887,370.87
  5. Step 5: Solve for x
    x = 408,887,370.87/22,969.02
  6. Step 6: Final answer
    x = 17,801.69

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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.