Home / 14,487.30-21,710.70-11,530.80

Finding the Fourth Proportional to 14,487.30, 21,710.70 and 11,530.80

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Solution

The fourth proportional to 14,487.30, 21,710.70 and 11,530.80 is: 17,280.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,487.30 : 21,710.70 = 11,530.80 : x
  2. Step 2: Convert to fraction form
    14,487.30/21,710.70 = 11,530.80/x
  3. Step 3: Cross multiply
    14,487.30x = 21,710.70 × 11,530.80
  4. Step 4: Simplify right side
    14,487.30x = 250,341,739.56
  5. Step 5: Solve for x
    x = 250,341,739.56/14,487.30
  6. Step 6: Final answer
    x = 17,280.08

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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.