Home / 20,322.42-30,483.63-8,627.46

Finding the Fourth Proportional to 20,322.42, 30,483.63 and 8,627.46

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Solution

The fourth proportional to 20,322.42, 30,483.63 and 8,627.46 is: 12,941.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,322.42 : 30,483.63 = 8,627.46 : x
  2. Step 2: Convert to fraction form
    20,322.42/30,483.63 = 8,627.46/x
  3. Step 3: Cross multiply
    20,322.42x = 30,483.63 × 8,627.46
  4. Step 4: Simplify right side
    20,322.42x = 262,996,298.48
  5. Step 5: Solve for x
    x = 262,996,298.48/20,322.42
  6. Step 6: Final answer
    x = 12,941.19

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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.