Home / 19,423.20-29,143.36-10,187.04

Finding the Fourth Proportional to 19,423.20, 29,143.36 and 10,187.04

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Solution

The fourth proportional to 19,423.20, 29,143.36 and 10,187.04 is: 15,285.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,423.20 : 29,143.36 = 10,187.04 : x
  2. Step 2: Convert to fraction form
    19,423.20/29,143.36 = 10,187.04/x
  3. Step 3: Cross multiply
    19,423.20x = 29,143.36 × 10,187.04
  4. Step 4: Simplify right side
    19,423.20x = 296,884,574.05
  5. Step 5: Solve for x
    x = 296,884,574.05/19,423.20
  6. Step 6: Final answer
    x = 15,285.05

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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.