Home / 14,589.86-20,133.99-8,303.45

Finding the Fourth Proportional to 14,589.86, 20,133.99 and 8,303.45

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Solution

The fourth proportional to 14,589.86, 20,133.99 and 8,303.45 is: 11,458.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,589.86 : 20,133.99 = 8,303.45 : x
  2. Step 2: Convert to fraction form
    14,589.86/20,133.99 = 8,303.45/x
  3. Step 3: Cross multiply
    14,589.86x = 20,133.99 × 8,303.45
  4. Step 4: Simplify right side
    14,589.86x = 167,181,478.60
  5. Step 5: Solve for x
    x = 167,181,478.60/14,589.86
  6. Step 6: Final answer
    x = 11,458.75

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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.