Home / 11,428.19-17,158.68-7,466.98

Finding the Fourth Proportional to 11,428.19, 17,158.68 and 7,466.98

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Solution

The fourth proportional to 11,428.19, 17,158.68 and 7,466.98 is: 11,211.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,428.19 : 17,158.68 = 7,466.98 : x
  2. Step 2: Convert to fraction form
    11,428.19/17,158.68 = 7,466.98/x
  3. Step 3: Cross multiply
    11,428.19x = 17,158.68 × 7,466.98
  4. Step 4: Simplify right side
    11,428.19x = 128,123,483.05
  5. Step 5: Solve for x
    x = 128,123,483.05/11,428.19
  6. Step 6: Final answer
    x = 11,211.18

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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.