Home / 18,336.27-25,298.96-10,378.34

Finding the Fourth Proportional to 18,336.27, 25,298.96 and 10,378.34

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Solution

The fourth proportional to 18,336.27, 25,298.96 and 10,378.34 is: 14,319.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,336.27 : 25,298.96 = 10,378.34 : x
  2. Step 2: Convert to fraction form
    18,336.27/25,298.96 = 10,378.34/x
  3. Step 3: Cross multiply
    18,336.27x = 25,298.96 × 10,378.34
  4. Step 4: Simplify right side
    18,336.27x = 262,561,030.14
  5. Step 5: Solve for x
    x = 262,561,030.14/18,336.27
  6. Step 6: Final answer
    x = 14,319.22

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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.