Home / 14,226.46-19,641.76-12,731.81

Finding the Fourth Proportional to 14,226.46, 19,641.76 and 12,731.81

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Solution

The fourth proportional to 14,226.46, 19,641.76 and 12,731.81 is: 17,578.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,226.46 : 19,641.76 = 12,731.81 : x
  2. Step 2: Convert to fraction form
    14,226.46/19,641.76 = 12,731.81/x
  3. Step 3: Cross multiply
    14,226.46x = 19,641.76 × 12,731.81
  4. Step 4: Simplify right side
    14,226.46x = 250,075,026.35
  5. Step 5: Solve for x
    x = 250,075,026.35/14,226.46
  6. Step 6: Final answer
    x = 17,578.17

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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.