Home / 10,345.70-15,519.95-3,323.39

Finding the Fourth Proportional to 10,345.70, 15,519.95 and 3,323.39

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Solution

The fourth proportional to 10,345.70, 15,519.95 and 3,323.39 is: 4,985.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,345.70 : 15,519.95 = 3,323.39 : x
  2. Step 2: Convert to fraction form
    10,345.70/15,519.95 = 3,323.39/x
  3. Step 3: Cross multiply
    10,345.70x = 15,519.95 × 3,323.39
  4. Step 4: Simplify right side
    10,345.70x = 51,578,752.41
  5. Step 5: Solve for x
    x = 51,578,752.41/10,345.70
  6. Step 6: Final answer
    x = 4,985.53

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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.