Home / 19,425.85-29,131.63-6,942.50

Finding the Fourth Proportional to 19,425.85, 29,131.63 and 6,942.50

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Solution

The fourth proportional to 19,425.85, 29,131.63 and 6,942.50 is: 10,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,425.85 : 29,131.63 = 6,942.50 : x
  2. Step 2: Convert to fraction form
    19,425.85/29,131.63 = 6,942.50/x
  3. Step 3: Cross multiply
    19,425.85x = 29,131.63 × 6,942.50
  4. Step 4: Simplify right side
    19,425.85x = 202,246,341.28
  5. Step 5: Solve for x
    x = 202,246,341.28/19,425.85
  6. Step 6: Final answer
    x = 10,411.20

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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.