Home / 15,538.40-23,307.60-14,809.40

Finding the Fourth Proportional to 15,538.40, 23,307.60 and 14,809.40

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Solution

The fourth proportional to 15,538.40, 23,307.60 and 14,809.40 is: 22,214.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,538.40 : 23,307.60 = 14,809.40 : x
  2. Step 2: Convert to fraction form
    15,538.40/23,307.60 = 14,809.40/x
  3. Step 3: Cross multiply
    15,538.40x = 23,307.60 × 14,809.40
  4. Step 4: Simplify right side
    15,538.40x = 345,171,571.44
  5. Step 5: Solve for x
    x = 345,171,571.44/15,538.40
  6. Step 6: Final answer
    x = 22,214.10

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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.