Home / 19,630.48-29,445.88-7,159.44

Finding the Fourth Proportional to 19,630.48, 29,445.88 and 7,159.44

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Solution

The fourth proportional to 19,630.48, 29,445.88 and 7,159.44 is: 10,739.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,630.48 : 29,445.88 = 7,159.44 : x
  2. Step 2: Convert to fraction form
    19,630.48/29,445.88 = 7,159.44/x
  3. Step 3: Cross multiply
    19,630.48x = 29,445.88 × 7,159.44
  4. Step 4: Simplify right side
    19,630.48x = 210,816,011.11
  5. Step 5: Solve for x
    x = 210,816,011.11/19,630.48
  6. Step 6: Final answer
    x = 10,739.22

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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.