Home / 11,068.70-16,603.05-4,142.30

Finding the Fourth Proportional to 11,068.70, 16,603.05 and 4,142.30

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Solution

The fourth proportional to 11,068.70, 16,603.05 and 4,142.30 is: 6,213.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,068.70 : 16,603.05 = 4,142.30 : x
  2. Step 2: Convert to fraction form
    11,068.70/16,603.05 = 4,142.30/x
  3. Step 3: Cross multiply
    11,068.70x = 16,603.05 × 4,142.30
  4. Step 4: Simplify right side
    11,068.70x = 68,774,814.02
  5. Step 5: Solve for x
    x = 68,774,814.02/11,068.70
  6. Step 6: Final answer
    x = 6,213.45

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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.