Home / 19,614.24-29,415.12-6,464.16

Finding the Fourth Proportional to 19,614.24, 29,415.12 and 6,464.16

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Solution

The fourth proportional to 19,614.24, 29,415.12 and 6,464.16 is: 9,694.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,614.24 : 29,415.12 = 6,464.16 : x
  2. Step 2: Convert to fraction form
    19,614.24/29,415.12 = 6,464.16/x
  3. Step 3: Cross multiply
    19,614.24x = 29,415.12 × 6,464.16
  4. Step 4: Simplify right side
    19,614.24x = 190,144,042.10
  5. Step 5: Solve for x
    x = 190,144,042.10/19,614.24
  6. Step 6: Final answer
    x = 9,694.18

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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.