Home / 14,190.60-21,285.90-13,477.80

Finding the Fourth Proportional to 14,190.60, 21,285.90 and 13,477.80

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Solution

The fourth proportional to 14,190.60, 21,285.90 and 13,477.80 is: 20,216.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,190.60 : 21,285.90 = 13,477.80 : x
  2. Step 2: Convert to fraction form
    14,190.60/21,285.90 = 13,477.80/x
  3. Step 3: Cross multiply
    14,190.60x = 21,285.90 × 13,477.80
  4. Step 4: Simplify right side
    14,190.60x = 286,887,103.02
  5. Step 5: Solve for x
    x = 286,887,103.02/14,190.60
  6. Step 6: Final answer
    x = 20,216.70

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Similar ratio
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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.