Home / 18,838.37-25,991.70-13,462.43

Finding the Fourth Proportional to 18,838.37, 25,991.70 and 13,462.43

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Solution

The fourth proportional to 18,838.37, 25,991.70 and 13,462.43 is: 18,574.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,838.37 : 25,991.70 = 13,462.43 : x
  2. Step 2: Convert to fraction form
    18,838.37/25,991.70 = 13,462.43/x
  3. Step 3: Cross multiply
    18,838.37x = 25,991.70 × 13,462.43
  4. Step 4: Simplify right side
    18,838.37x = 349,911,441.83
  5. Step 5: Solve for x
    x = 349,911,441.83/18,838.37
  6. Step 6: Final answer
    x = 18,574.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.