Home / 19,333.04-28,979.16-7,630.16

Finding the Fourth Proportional to 19,333.04, 28,979.16 and 7,630.16

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Solution

The fourth proportional to 19,333.04, 28,979.16 and 7,630.16 is: 11,437.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,333.04 : 28,979.16 = 7,630.16 : x
  2. Step 2: Convert to fraction form
    19,333.04/28,979.16 = 7,630.16/x
  3. Step 3: Cross multiply
    19,333.04x = 28,979.16 × 7,630.16
  4. Step 4: Simplify right side
    19,333.04x = 221,115,627.47
  5. Step 5: Solve for x
    x = 221,115,627.47/19,333.04
  6. Step 6: Final answer
    x = 11,437.19

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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.