Home / 10,813.13-16,219.70-2,605.13

Finding the Fourth Proportional to 10,813.13, 16,219.70 and 2,605.13

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Solution

The fourth proportional to 10,813.13, 16,219.70 and 2,605.13 is: 3,907.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,813.13 : 16,219.70 = 2,605.13 : x
  2. Step 2: Convert to fraction form
    10,813.13/16,219.70 = 2,605.13/x
  3. Step 3: Cross multiply
    10,813.13x = 16,219.70 × 2,605.13
  4. Step 4: Simplify right side
    10,813.13x = 42,254,427.06
  5. Step 5: Solve for x
    x = 42,254,427.06/10,813.13
  6. Step 6: Final answer
    x = 3,907.70

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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.