Home / 14,012.84-21,019.62-4,785.32

Finding the Fourth Proportional to 14,012.84, 21,019.62 and 4,785.32

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Solution

The fourth proportional to 14,012.84, 21,019.62 and 4,785.32 is: 7,178.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,012.84 : 21,019.62 = 4,785.32 : x
  2. Step 2: Convert to fraction form
    14,012.84/21,019.62 = 4,785.32/x
  3. Step 3: Cross multiply
    14,012.84x = 21,019.62 × 4,785.32
  4. Step 4: Simplify right side
    14,012.84x = 100,585,607.98
  5. Step 5: Solve for x
    x = 100,585,607.98/14,012.84
  6. Step 6: Final answer
    x = 7,178.10

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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.