Home / 14,509.12-20,011.26-9,727.49

Finding the Fourth Proportional to 14,509.12, 20,011.26 and 9,727.49

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Solution

The fourth proportional to 14,509.12, 20,011.26 and 9,727.49 is: 13,416.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,509.12 : 20,011.26 = 9,727.49 : x
  2. Step 2: Convert to fraction form
    14,509.12/20,011.26 = 9,727.49/x
  3. Step 3: Cross multiply
    14,509.12x = 20,011.26 × 9,727.49
  4. Step 4: Simplify right side
    14,509.12x = 194,659,331.54
  5. Step 5: Solve for x
    x = 194,659,331.54/14,509.12
  6. Step 6: Final answer
    x = 13,416.34

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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.