Home / 14,739.14-20,333.22-9,439.31

Finding the Fourth Proportional to 14,739.14, 20,333.22 and 9,439.31

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Solution

The fourth proportional to 14,739.14, 20,333.22 and 9,439.31 is: 13,021.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,739.14 : 20,333.22 = 9,439.31 : x
  2. Step 2: Convert to fraction form
    14,739.14/20,333.22 = 9,439.31/x
  3. Step 3: Cross multiply
    14,739.14x = 20,333.22 × 9,439.31
  4. Step 4: Simplify right side
    14,739.14x = 191,931,465.21
  5. Step 5: Solve for x
    x = 191,931,465.21/14,739.14
  6. Step 6: Final answer
    x = 13,021.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.