Home / 19,109.10-26,370.68-10,611.12

Finding the Fourth Proportional to 19,109.10, 26,370.68 and 10,611.12

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Solution

The fourth proportional to 19,109.10, 26,370.68 and 10,611.12 is: 14,643.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,109.10 : 26,370.68 = 10,611.12 : x
  2. Step 2: Convert to fraction form
    19,109.10/26,370.68 = 10,611.12/x
  3. Step 3: Cross multiply
    19,109.10x = 26,370.68 × 10,611.12
  4. Step 4: Simplify right side
    19,109.10x = 279,822,449.96
  5. Step 5: Solve for x
    x = 279,822,449.96/19,109.10
  6. Step 6: Final answer
    x = 14,643.41

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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.