Home / 15,384.94-23,120.69-9,146.07

Finding the Fourth Proportional to 15,384.94, 23,120.69 and 9,146.07

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Solution

The fourth proportional to 15,384.94, 23,120.69 and 9,146.07 is: 13,744.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,384.94 : 23,120.69 = 9,146.07 : x
  2. Step 2: Convert to fraction form
    15,384.94/23,120.69 = 9,146.07/x
  3. Step 3: Cross multiply
    15,384.94x = 23,120.69 × 9,146.07
  4. Step 4: Simplify right side
    15,384.94x = 211,463,449.19
  5. Step 5: Solve for x
    x = 211,463,449.19/15,384.94
  6. Step 6: Final answer
    x = 13,744.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.