Home / 20,152.14-30,216.48-14,818.50

Finding the Fourth Proportional to 20,152.14, 30,216.48 and 14,818.50

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Solution

The fourth proportional to 20,152.14, 30,216.48 and 14,818.50 is: 22,219.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,152.14 : 30,216.48 = 14,818.50 : x
  2. Step 2: Convert to fraction form
    20,152.14/30,216.48 = 14,818.50/x
  3. Step 3: Cross multiply
    20,152.14x = 30,216.48 × 14,818.50
  4. Step 4: Simplify right side
    20,152.14x = 447,762,908.88
  5. Step 5: Solve for x
    x = 447,762,908.88/20,152.14
  6. Step 6: Final answer
    x = 22,219.12

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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.