Home / 10,303.58-15,456.38-2,908.10

Finding the Fourth Proportional to 10,303.58, 15,456.38 and 2,908.10

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Solution

The fourth proportional to 10,303.58, 15,456.38 and 2,908.10 is: 4,362.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,303.58 : 15,456.38 = 2,908.10 : x
  2. Step 2: Convert to fraction form
    10,303.58/15,456.38 = 2,908.10/x
  3. Step 3: Cross multiply
    10,303.58x = 15,456.38 × 2,908.10
  4. Step 4: Simplify right side
    10,303.58x = 44,948,705.95
  5. Step 5: Solve for x
    x = 44,948,705.95/10,303.58
  6. Step 6: Final answer
    x = 4,362.44

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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.