Home / 19,931.32-29,896.68-6,080.32

Finding the Fourth Proportional to 19,931.32, 29,896.68 and 6,080.32

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Solution

The fourth proportional to 19,931.32, 29,896.68 and 6,080.32 is: 9,120.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,931.32 : 29,896.68 = 6,080.32 : x
  2. Step 2: Convert to fraction form
    19,931.32/29,896.68 = 6,080.32/x
  3. Step 3: Cross multiply
    19,931.32x = 29,896.68 × 6,080.32
  4. Step 4: Simplify right side
    19,931.32x = 181,781,381.34
  5. Step 5: Solve for x
    x = 181,781,381.34/19,931.32
  6. Step 6: Final answer
    x = 9,120.39

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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.