Home / 14,159.46-21,226.89-8,303.77

Finding the Fourth Proportional to 14,159.46, 21,226.89 and 8,303.77

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Solution

The fourth proportional to 14,159.46, 21,226.89 and 8,303.77 is: 12,448.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,159.46 : 21,226.89 = 8,303.77 : x
  2. Step 2: Convert to fraction form
    14,159.46/21,226.89 = 8,303.77/x
  3. Step 3: Cross multiply
    14,159.46x = 21,226.89 × 8,303.77
  4. Step 4: Simplify right side
    14,159.46x = 176,263,080.58
  5. Step 5: Solve for x
    x = 176,263,080.58/14,159.46
  6. Step 6: Final answer
    x = 12,448.43

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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.