Home / 11,068.20-16,602.30-10,557.90

Finding the Fourth Proportional to 11,068.20, 16,602.30 and 10,557.90

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Solution

The fourth proportional to 11,068.20, 16,602.30 and 10,557.90 is: 15,836.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,068.20 : 16,602.30 = 10,557.90 : x
  2. Step 2: Convert to fraction form
    11,068.20/16,602.30 = 10,557.90/x
  3. Step 3: Cross multiply
    11,068.20x = 16,602.30 × 10,557.90
  4. Step 4: Simplify right side
    11,068.20x = 175,285,423.17
  5. Step 5: Solve for x
    x = 175,285,423.17/11,068.20
  6. Step 6: Final answer
    x = 15,836.85

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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.