Home / 15,298.80-22,825.74-13,635.60

Finding the Fourth Proportional to 15,298.80, 22,825.74 and 13,635.60

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Solution

The fourth proportional to 15,298.80, 22,825.74 and 13,635.60 is: 20,344.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,298.80 : 22,825.74 = 13,635.60 : x
  2. Step 2: Convert to fraction form
    15,298.80/22,825.74 = 13,635.60/x
  3. Step 3: Cross multiply
    15,298.80x = 22,825.74 × 13,635.60
  4. Step 4: Simplify right side
    15,298.80x = 311,242,660.34
  5. Step 5: Solve for x
    x = 311,242,660.34/15,298.80
  6. Step 6: Final answer
    x = 20,344.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.