Home / 14,445.48-21,668.22-3,915.50

Finding the Fourth Proportional to 14,445.48, 21,668.22 and 3,915.50

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Solution

The fourth proportional to 14,445.48, 21,668.22 and 3,915.50 is: 5,873.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,445.48 : 21,668.22 = 3,915.50 : x
  2. Step 2: Convert to fraction form
    14,445.48/21,668.22 = 3,915.50/x
  3. Step 3: Cross multiply
    14,445.48x = 21,668.22 × 3,915.50
  4. Step 4: Simplify right side
    14,445.48x = 84,841,871.59
  5. Step 5: Solve for x
    x = 84,841,871.59/14,445.48
  6. Step 6: Final answer
    x = 5,873.25

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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.