Home / 19,582.08-29,402.28-7,918.08

Finding the Fourth Proportional to 19,582.08, 29,402.28 and 7,918.08

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Solution

The fourth proportional to 19,582.08, 29,402.28 and 7,918.08 is: 11,888.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,582.08 : 29,402.28 = 7,918.08 : x
  2. Step 2: Convert to fraction form
    19,582.08/29,402.28 = 7,918.08/x
  3. Step 3: Cross multiply
    19,582.08x = 29,402.28 × 7,918.08
  4. Step 4: Simplify right side
    19,582.08x = 232,809,605.22
  5. Step 5: Solve for x
    x = 232,809,605.22/19,582.08
  6. Step 6: Final answer
    x = 11,888.91

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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.