Home / 18,349.34-25,322.63-10,392.71

Finding the Fourth Proportional to 18,349.34, 25,322.63 and 10,392.71

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Solution

The fourth proportional to 18,349.34, 25,322.63 and 10,392.71 is: 14,342.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,349.34 : 25,322.63 = 10,392.71 : x
  2. Step 2: Convert to fraction form
    18,349.34/25,322.63 = 10,392.71/x
  3. Step 3: Cross multiply
    18,349.34x = 25,322.63 × 10,392.71
  4. Step 4: Simplify right side
    18,349.34x = 263,170,571.45
  5. Step 5: Solve for x
    x = 263,170,571.45/18,349.34
  6. Step 6: Final answer
    x = 14,342.24

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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.