Home / 20,322.68-30,459.66-10,466.60

Finding the Fourth Proportional to 20,322.68, 30,459.66 and 10,466.60

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Solution

The fourth proportional to 20,322.68, 30,459.66 and 10,466.60 is: 15,687.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,322.68 : 30,459.66 = 10,466.60 : x
  2. Step 2: Convert to fraction form
    20,322.68/30,459.66 = 10,466.60/x
  3. Step 3: Cross multiply
    20,322.68x = 30,459.66 × 10,466.60
  4. Step 4: Simplify right side
    20,322.68x = 318,809,077.36
  5. Step 5: Solve for x
    x = 318,809,077.36/20,322.68
  6. Step 6: Final answer
    x = 15,687.35

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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.