Home / 18,364.51-25,341.42-10,406.26

Finding the Fourth Proportional to 18,364.51, 25,341.42 and 10,406.26

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Solution

The fourth proportional to 18,364.51, 25,341.42 and 10,406.26 is: 14,359.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,364.51 : 25,341.42 = 10,406.26 : x
  2. Step 2: Convert to fraction form
    18,364.51/25,341.42 = 10,406.26/x
  3. Step 3: Cross multiply
    18,364.51x = 25,341.42 × 10,406.26
  4. Step 4: Simplify right side
    18,364.51x = 263,709,405.29
  5. Step 5: Solve for x
    x = 263,709,405.29/18,364.51
  6. Step 6: Final answer
    x = 14,359.73

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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.