Home / 14,157.63-21,239.52-4,297.65

Finding the Fourth Proportional to 14,157.63, 21,239.52 and 4,297.65

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Solution

The fourth proportional to 14,157.63, 21,239.52 and 4,297.65 is: 6,447.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,157.63 : 21,239.52 = 4,297.65 : x
  2. Step 2: Convert to fraction form
    14,157.63/21,239.52 = 4,297.65/x
  3. Step 3: Cross multiply
    14,157.63x = 21,239.52 × 4,297.65
  4. Step 4: Simplify right side
    14,157.63x = 91,280,023.13
  5. Step 5: Solve for x
    x = 91,280,023.13/14,157.63
  6. Step 6: Final answer
    x = 6,447.41

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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.