Home / 14,355.65-21,525.18-5,580.30

Finding the Fourth Proportional to 14,355.65, 21,525.18 and 5,580.30

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Solution

The fourth proportional to 14,355.65, 21,525.18 and 5,580.30 is: 8,367.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,355.65 : 21,525.18 = 5,580.30 : x
  2. Step 2: Convert to fraction form
    14,355.65/21,525.18 = 5,580.30/x
  3. Step 3: Cross multiply
    14,355.65x = 21,525.18 × 5,580.30
  4. Step 4: Simplify right side
    14,355.65x = 120,116,961.95
  5. Step 5: Solve for x
    x = 120,116,961.95/14,355.65
  6. Step 6: Final answer
    x = 8,367.23

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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.