Home / 19,558.29-29,337.51-13,740.87

Finding the Fourth Proportional to 19,558.29, 29,337.51 and 13,740.87

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Solution

The fourth proportional to 19,558.29, 29,337.51 and 13,740.87 is: 20,611.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,558.29 : 29,337.51 = 13,740.87 : x
  2. Step 2: Convert to fraction form
    19,558.29/29,337.51 = 13,740.87/x
  3. Step 3: Cross multiply
    19,558.29x = 29,337.51 × 13,740.87
  4. Step 4: Simplify right side
    19,558.29x = 403,122,911.03
  5. Step 5: Solve for x
    x = 403,122,911.03/19,558.29
  6. Step 6: Final answer
    x = 20,611.36

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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.