Home / 19,007.06-28,511.76-7,320.29

Finding the Fourth Proportional to 19,007.06, 28,511.76 and 7,320.29

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Solution

The fourth proportional to 19,007.06, 28,511.76 and 7,320.29 is: 10,980.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,007.06 : 28,511.76 = 7,320.29 : x
  2. Step 2: Convert to fraction form
    19,007.06/28,511.76 = 7,320.29/x
  3. Step 3: Cross multiply
    19,007.06x = 28,511.76 × 7,320.29
  4. Step 4: Simplify right side
    19,007.06x = 208,714,351.61
  5. Step 5: Solve for x
    x = 208,714,351.61/19,007.06
  6. Step 6: Final answer
    x = 10,980.89

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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.