Home / 14,303.89-19,739.26-8,251.91

Finding the Fourth Proportional to 14,303.89, 19,739.26 and 8,251.91

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Solution

The fourth proportional to 14,303.89, 19,739.26 and 8,251.91 is: 11,387.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,303.89 : 19,739.26 = 8,251.91 : x
  2. Step 2: Convert to fraction form
    14,303.89/19,739.26 = 8,251.91/x
  3. Step 3: Cross multiply
    14,303.89x = 19,739.26 × 8,251.91
  4. Step 4: Simplify right side
    14,303.89x = 162,886,596.99
  5. Step 5: Solve for x
    x = 162,886,596.99/14,303.89
  6. Step 6: Final answer
    x = 11,387.57

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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.