Home / 10,345.19-15,518.82-3,323.39

Finding the Fourth Proportional to 10,345.19, 15,518.82 and 3,323.39

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Solution

The fourth proportional to 10,345.19, 15,518.82 and 3,323.39 is: 4,985.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.19 : 15,518.82 = 3,323.39 : x
  2. Step 2: Convert to fraction form
    10,345.19/15,518.82 = 3,323.39/x
  3. Step 3: Cross multiply
    10,345.19x = 15,518.82 × 3,323.39
  4. Step 4: Simplify right side
    10,345.19x = 51,575,008.94
  5. Step 5: Solve for x
    x = 51,575,008.94/10,345.19
  6. Step 6: Final answer
    x = 4,985.41

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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.