Home / 20,271.30-30,334.05-13,710.30

Finding the Fourth Proportional to 20,271.30, 30,334.05 and 13,710.30

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Solution

The fourth proportional to 20,271.30, 30,334.05 and 13,710.30 is: 20,516.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,271.30 : 30,334.05 = 13,710.30 : x
  2. Step 2: Convert to fraction form
    20,271.30/30,334.05 = 13,710.30/x
  3. Step 3: Cross multiply
    20,271.30x = 30,334.05 × 13,710.30
  4. Step 4: Simplify right side
    20,271.30x = 415,888,925.72
  5. Step 5: Solve for x
    x = 415,888,925.72/20,271.30
  6. Step 6: Final answer
    x = 20,516.14

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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.