Home / 19,939.04-29,863.21-15,460.81

Finding the Fourth Proportional to 19,939.04, 29,863.21 and 15,460.81

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Solution

The fourth proportional to 19,939.04, 29,863.21 and 15,460.81 is: 23,156.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,939.04 : 29,863.21 = 15,460.81 : x
  2. Step 2: Convert to fraction form
    19,939.04/29,863.21 = 15,460.81/x
  3. Step 3: Cross multiply
    19,939.04x = 29,863.21 × 15,460.81
  4. Step 4: Simplify right side
    19,939.04x = 461,709,338.50
  5. Step 5: Solve for x
    x = 461,709,338.50/19,939.04
  6. Step 6: Final answer
    x = 23,156.05

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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.