Home / 18,383.29-25,366.30-10,423.98

Finding the Fourth Proportional to 18,383.29, 25,366.30 and 10,423.98

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Solution

The fourth proportional to 18,383.29, 25,366.30 and 10,423.98 is: 14,383.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,383.29 : 25,366.30 = 10,423.98 : x
  2. Step 2: Convert to fraction form
    18,383.29/25,366.30 = 10,423.98/x
  3. Step 3: Cross multiply
    18,383.29x = 25,366.30 × 10,423.98
  4. Step 4: Simplify right side
    18,383.29x = 264,417,777.81
  5. Step 5: Solve for x
    x = 264,417,777.81/18,383.29
  6. Step 6: Final answer
    x = 14,383.60

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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.