Home / 22,640.02-31,243.35-12,568.30

Finding the Fourth Proportional to 22,640.02, 31,243.35 and 12,568.30

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Solution

The fourth proportional to 22,640.02, 31,243.35 and 12,568.30 is: 17,344.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,640.02 : 31,243.35 = 12,568.30 : x
  2. Step 2: Convert to fraction form
    22,640.02/31,243.35 = 12,568.30/x
  3. Step 3: Cross multiply
    22,640.02x = 31,243.35 × 12,568.30
  4. Step 4: Simplify right side
    22,640.02x = 392,675,795.81
  5. Step 5: Solve for x
    x = 392,675,795.81/22,640.02
  6. Step 6: Final answer
    x = 17,344.32

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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.