Home / 19,873.15-29,817.87-10,510.66

Finding the Fourth Proportional to 19,873.15, 29,817.87 and 10,510.66

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Solution

The fourth proportional to 19,873.15, 29,817.87 and 10,510.66 is: 15,770.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,873.15 : 29,817.87 = 10,510.66 : x
  2. Step 2: Convert to fraction form
    19,873.15/29,817.87 = 10,510.66/x
  3. Step 3: Cross multiply
    19,873.15x = 29,817.87 × 10,510.66
  4. Step 4: Simplify right side
    19,873.15x = 313,405,550.47
  5. Step 5: Solve for x
    x = 313,405,550.47/19,873.15
  6. Step 6: Final answer
    x = 15,770.30

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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.