Home / 19,490.56-29,238.64-6,159.04

Finding the Fourth Proportional to 19,490.56, 29,238.64 and 6,159.04

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Solution

The fourth proportional to 19,490.56, 29,238.64 and 6,159.04 is: 9,239.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,490.56 : 29,238.64 = 6,159.04 : x
  2. Step 2: Convert to fraction form
    19,490.56/29,238.64 = 6,159.04/x
  3. Step 3: Cross multiply
    19,490.56x = 29,238.64 × 6,159.04
  4. Step 4: Simplify right side
    19,490.56x = 180,081,953.31
  5. Step 5: Solve for x
    x = 180,081,953.31/19,490.56
  6. Step 6: Final answer
    x = 9,239.44

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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.