Home / 14,188.08-21,284.86-4,827.72

Finding the Fourth Proportional to 14,188.08, 21,284.86 and 4,827.72

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Solution

The fourth proportional to 14,188.08, 21,284.86 and 4,827.72 is: 7,242.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188.08 : 21,284.86 = 4,827.72 : x
  2. Step 2: Convert to fraction form
    14,188.08/21,284.86 = 4,827.72/x
  3. Step 3: Cross multiply
    14,188.08x = 21,284.86 × 4,827.72
  4. Step 4: Simplify right side
    14,188.08x = 102,757,344.32
  5. Step 5: Solve for x
    x = 102,757,344.32/14,188.08
  6. Step 6: Final answer
    x = 7,242.51

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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.