Home / 20,373.66-30,563.73-8,686.98

Finding the Fourth Proportional to 20,373.66, 30,563.73 and 8,686.98

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Solution

The fourth proportional to 20,373.66, 30,563.73 and 8,686.98 is: 13,031.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,373.66 : 30,563.73 = 8,686.98 : x
  2. Step 2: Convert to fraction form
    20,373.66/30,563.73 = 8,686.98/x
  3. Step 3: Cross multiply
    20,373.66x = 30,563.73 × 8,686.98
  4. Step 4: Simplify right side
    20,373.66x = 265,506,511.24
  5. Step 5: Solve for x
    x = 265,506,511.24/20,373.66
  6. Step 6: Final answer
    x = 13,031.85

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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.