Home / 19,478.50-29,207.34-10,109.08

Finding the Fourth Proportional to 19,478.50, 29,207.34 and 10,109.08

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Solution

The fourth proportional to 19,478.50, 29,207.34 and 10,109.08 is: 15,158.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,478.50 : 29,207.34 = 10,109.08 : x
  2. Step 2: Convert to fraction form
    19,478.50/29,207.34 = 10,109.08/x
  3. Step 3: Cross multiply
    19,478.50x = 29,207.34 × 10,109.08
  4. Step 4: Simplify right side
    19,478.50x = 295,259,190.61
  5. Step 5: Solve for x
    x = 295,259,190.61/19,478.50
  6. Step 6: Final answer
    x = 15,158.21

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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.