Home / 10,316.45-15,473.72-2,920.74

Finding the Fourth Proportional to 10,316.45, 15,473.72 and 2,920.74

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Solution

The fourth proportional to 10,316.45, 15,473.72 and 2,920.74 is: 4,380.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,316.45 : 15,473.72 = 2,920.74 : x
  2. Step 2: Convert to fraction form
    10,316.45/15,473.72 = 2,920.74/x
  3. Step 3: Cross multiply
    10,316.45x = 15,473.72 × 2,920.74
  4. Step 4: Simplify right side
    10,316.45x = 45,194,698.35
  5. Step 5: Solve for x
    x = 45,194,698.35/10,316.45
  6. Step 6: Final answer
    x = 4,380.84

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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.