Home / 9,414.51-14,121.77-4,216.74

Finding the Fourth Proportional to 9,414.51, 14,121.77 and 4,216.74

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Solution

The fourth proportional to 9,414.51, 14,121.77 and 4,216.74 is: 6,325.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,414.51 : 14,121.77 = 4,216.74 : x
  2. Step 2: Convert to fraction form
    9,414.51/14,121.77 = 4,216.74/x
  3. Step 3: Cross multiply
    9,414.51x = 14,121.77 × 4,216.74
  4. Step 4: Simplify right side
    9,414.51x = 59,547,758.39
  5. Step 5: Solve for x
    x = 59,547,758.39/9,414.51
  6. Step 6: Final answer
    x = 6,325.11

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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.