Home / 15,095.70-22,643.55-13,686.30

Finding the Fourth Proportional to 15,095.70, 22,643.55 and 13,686.30

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Solution

The fourth proportional to 15,095.70, 22,643.55 and 13,686.30 is: 20,529.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,095.70 : 22,643.55 = 13,686.30 : x
  2. Step 2: Convert to fraction form
    15,095.70/22,643.55 = 13,686.30/x
  3. Step 3: Cross multiply
    15,095.70x = 22,643.55 × 13,686.30
  4. Step 4: Simplify right side
    15,095.70x = 309,906,418.37
  5. Step 5: Solve for x
    x = 309,906,418.37/15,095.70
  6. Step 6: Final answer
    x = 20,529.45

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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.