Home / 11,406.49-15,626.63-10,980.07

Finding the Fourth Proportional to 11,406.49, 15,626.63 and 10,980.07

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Solution

The fourth proportional to 11,406.49, 15,626.63 and 10,980.07 is: 15,042.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,406.49 : 15,626.63 = 10,980.07 : x
  2. Step 2: Convert to fraction form
    11,406.49/15,626.63 = 10,980.07/x
  3. Step 3: Cross multiply
    11,406.49x = 15,626.63 × 10,980.07
  4. Step 4: Simplify right side
    11,406.49x = 171,581,488.36
  5. Step 5: Solve for x
    x = 171,581,488.36/11,406.49
  6. Step 6: Final answer
    x = 15,042.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.