Home / 19,909.32-29,860.20-10,054.32

Finding the Fourth Proportional to 19,909.32, 29,860.20 and 10,054.32

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Solution

The fourth proportional to 19,909.32, 29,860.20 and 10,054.32 is: 15,079.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,909.32 : 29,860.20 = 10,054.32 : x
  2. Step 2: Convert to fraction form
    19,909.32/29,860.20 = 10,054.32/x
  3. Step 3: Cross multiply
    19,909.32x = 29,860.20 × 10,054.32
  4. Step 4: Simplify right side
    19,909.32x = 300,224,006.06
  5. Step 5: Solve for x
    x = 300,224,006.06/19,909.32
  6. Step 6: Final answer
    x = 15,079.57

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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.