Home / 13,300.74-18,355.14-10,116.90

Finding the Fourth Proportional to 13,300.74, 18,355.14 and 10,116.90

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Solution

The fourth proportional to 13,300.74, 18,355.14 and 10,116.90 is: 13,961.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,300.74 : 18,355.14 = 10,116.90 : x
  2. Step 2: Convert to fraction form
    13,300.74/18,355.14 = 10,116.90/x
  3. Step 3: Cross multiply
    13,300.74x = 18,355.14 × 10,116.90
  4. Step 4: Simplify right side
    13,300.74x = 185,697,115.87
  5. Step 5: Solve for x
    x = 185,697,115.87/13,300.74
  6. Step 6: Final answer
    x = 13,961.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.