Home / 19,759.12-29,633.64-8,070.16

Finding the Fourth Proportional to 19,759.12, 29,633.64 and 8,070.16

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Solution

The fourth proportional to 19,759.12, 29,633.64 and 8,070.16 is: 12,103.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,759.12 : 29,633.64 = 8,070.16 : x
  2. Step 2: Convert to fraction form
    19,759.12/29,633.64 = 8,070.16/x
  3. Step 3: Cross multiply
    19,759.12x = 29,633.64 × 8,070.16
  4. Step 4: Simplify right side
    19,759.12x = 239,148,216.18
  5. Step 5: Solve for x
    x = 239,148,216.18/19,759.12
  6. Step 6: Final answer
    x = 12,103.18

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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.