Home / 20,435.17-30,637.22-10,568.16

Finding the Fourth Proportional to 20,435.17, 30,637.22 and 10,568.16

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Solution

The fourth proportional to 20,435.17, 30,637.22 and 10,568.16 is: 15,844.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,435.17 : 30,637.22 = 10,568.16 : x
  2. Step 2: Convert to fraction form
    20,435.17/30,637.22 = 10,568.16/x
  3. Step 3: Cross multiply
    20,435.17x = 30,637.22 × 10,568.16
  4. Step 4: Simplify right side
    20,435.17x = 323,779,042.92
  5. Step 5: Solve for x
    x = 323,779,042.92/20,435.17
  6. Step 6: Final answer
    x = 15,844.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.