Home / 18,349.18-25,323.43-10,392.82

Finding the Fourth Proportional to 18,349.18, 25,323.43 and 10,392.82

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Solution

The fourth proportional to 18,349.18, 25,323.43 and 10,392.82 is: 14,342.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,349.18 : 25,323.43 = 10,392.82 : x
  2. Step 2: Convert to fraction form
    18,349.18/25,323.43 = 10,392.82/x
  3. Step 3: Cross multiply
    18,349.18x = 25,323.43 × 10,392.82
  4. Step 4: Simplify right side
    18,349.18x = 263,181,849.77
  5. Step 5: Solve for x
    x = 263,181,849.77/18,349.18
  6. Step 6: Final answer
    x = 14,342.98

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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.