Home / 18,364.36-25,355.02-14,107.84

Finding the Fourth Proportional to 18,364.36, 25,355.02 and 14,107.84

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Solution

The fourth proportional to 18,364.36, 25,355.02 and 14,107.84 is: 19,478.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,364.36 : 25,355.02 = 14,107.84 : x
  2. Step 2: Convert to fraction form
    18,364.36/25,355.02 = 14,107.84/x
  3. Step 3: Cross multiply
    18,364.36x = 25,355.02 × 14,107.84
  4. Step 4: Simplify right side
    18,364.36x = 357,704,565.36
  5. Step 5: Solve for x
    x = 357,704,565.36/18,364.36
  6. Step 6: Final answer
    x = 19,478.19

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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.