Home / 9,428.17-14,198.19-8,210.28

Finding the Fourth Proportional to 9,428.17, 14,198.19 and 8,210.28

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Solution

The fourth proportional to 9,428.17, 14,198.19 and 8,210.28 is: 12,364.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,428.17 : 14,198.19 = 8,210.28 : x
  2. Step 2: Convert to fraction form
    9,428.17/14,198.19 = 8,210.28/x
  3. Step 3: Cross multiply
    9,428.17x = 14,198.19 × 8,210.28
  4. Step 4: Simplify right side
    9,428.17x = 116,571,062.15
  5. Step 5: Solve for x
    x = 116,571,062.15/9,428.17
  6. Step 6: Final answer
    x = 12,364.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.