Home / 18,383.76-25,370.85-10,426.51

Finding the Fourth Proportional to 18,383.76, 25,370.85 and 10,426.51

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Solution

The fourth proportional to 18,383.76, 25,370.85 and 10,426.51 is: 14,389.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,383.76 : 25,370.85 = 10,426.51 : x
  2. Step 2: Convert to fraction form
    18,383.76/25,370.85 = 10,426.51/x
  3. Step 3: Cross multiply
    18,383.76x = 25,370.85 × 10,426.51
  4. Step 4: Simplify right side
    18,383.76x = 264,529,349.34
  5. Step 5: Solve for x
    x = 264,529,349.34/18,383.76
  6. Step 6: Final answer
    x = 14,389.30

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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.