Home / 14,558.40-21,837.60-14,404.80

Finding the Fourth Proportional to 14,558.40, 21,837.60 and 14,404.80

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Solution

The fourth proportional to 14,558.40, 21,837.60 and 14,404.80 is: 21,607.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,558.40 : 21,837.60 = 14,404.80 : x
  2. Step 2: Convert to fraction form
    14,558.40/21,837.60 = 14,404.80/x
  3. Step 3: Cross multiply
    14,558.40x = 21,837.60 × 14,404.80
  4. Step 4: Simplify right side
    14,558.40x = 314,566,260.48
  5. Step 5: Solve for x
    x = 314,566,260.48/14,558.40
  6. Step 6: Final answer
    x = 21,607.20

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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.