Home / 14,369.90-21,555.96-4,509.20

Finding the Fourth Proportional to 14,369.90, 21,555.96 and 4,509.20

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Solution

The fourth proportional to 14,369.90, 21,555.96 and 4,509.20 is: 6,764.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,369.90 : 21,555.96 = 4,509.20 : x
  2. Step 2: Convert to fraction form
    14,369.90/21,555.96 = 4,509.20/x
  3. Step 3: Cross multiply
    14,369.90x = 21,555.96 × 4,509.20
  4. Step 4: Simplify right side
    14,369.90x = 97,200,134.83
  5. Step 5: Solve for x
    x = 97,200,134.83/14,369.90
  6. Step 6: Final answer
    x = 6,764.15

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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.