Home / 10,303.08-15,454.32-2,511.78

Finding the Fourth Proportional to 10,303.08, 15,454.32 and 2,511.78

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Solution

The fourth proportional to 10,303.08, 15,454.32 and 2,511.78 is: 3,767.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,303.08 : 15,454.32 = 2,511.78 : x
  2. Step 2: Convert to fraction form
    10,303.08/15,454.32 = 2,511.78/x
  3. Step 3: Cross multiply
    10,303.08x = 15,454.32 × 2,511.78
  4. Step 4: Simplify right side
    10,303.08x = 38,817,851.89
  5. Step 5: Solve for x
    x = 38,817,851.89/10,303.08
  6. Step 6: Final answer
    x = 3,767.60

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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.