Home / 14,210.64-21,312.72-3,823.20

Finding the Fourth Proportional to 14,210.64, 21,312.72 and 3,823.20

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Solution

The fourth proportional to 14,210.64, 21,312.72 and 3,823.20 is: 5,733.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,210.64 : 21,312.72 = 3,823.20 : x
  2. Step 2: Convert to fraction form
    14,210.64/21,312.72 = 3,823.20/x
  3. Step 3: Cross multiply
    14,210.64x = 21,312.72 × 3,823.20
  4. Step 4: Simplify right side
    14,210.64x = 81,482,791.10
  5. Step 5: Solve for x
    x = 81,482,791.10/14,210.64
  6. Step 6: Final answer
    x = 5,733.93

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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.