Home / 10,449.08-15,673.74-4,211.90

Finding the Fourth Proportional to 10,449.08, 15,673.74 and 4,211.90

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Solution

The fourth proportional to 10,449.08, 15,673.74 and 4,211.90 is: 6,317.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,449.08 : 15,673.74 = 4,211.90 : x
  2. Step 2: Convert to fraction form
    10,449.08/15,673.74 = 4,211.90/x
  3. Step 3: Cross multiply
    10,449.08x = 15,673.74 × 4,211.90
  4. Step 4: Simplify right side
    10,449.08x = 66,016,225.51
  5. Step 5: Solve for x
    x = 66,016,225.51/10,449.08
  6. Step 6: Final answer
    x = 6,317.90

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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.