Home / 19,953.21-29,927.37-5,160.90

Finding the Fourth Proportional to 19,953.21, 29,927.37 and 5,160.90

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Solution

The fourth proportional to 19,953.21, 29,927.37 and 5,160.90 is: 7,740.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,953.21 : 29,927.37 = 5,160.90 : x
  2. Step 2: Convert to fraction form
    19,953.21/29,927.37 = 5,160.90/x
  3. Step 3: Cross multiply
    19,953.21x = 29,927.37 × 5,160.90
  4. Step 4: Simplify right side
    19,953.21x = 154,452,163.83
  5. Step 5: Solve for x
    x = 154,452,163.83/19,953.21
  6. Step 6: Final answer
    x = 7,740.72

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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.