Home / 19,436.85-29,148.12-6,953.49

Finding the Fourth Proportional to 19,436.85, 29,148.12 and 6,953.49

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Solution

The fourth proportional to 19,436.85, 29,148.12 and 6,953.49 is: 10,427.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,436.85 : 29,148.12 = 6,953.49 : x
  2. Step 2: Convert to fraction form
    19,436.85/29,148.12 = 6,953.49/x
  3. Step 3: Cross multiply
    19,436.85x = 29,148.12 × 6,953.49
  4. Step 4: Simplify right side
    19,436.85x = 202,681,160.94
  5. Step 5: Solve for x
    x = 202,681,160.94/19,436.85
  6. Step 6: Final answer
    x = 10,427.68

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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.