Home / 15,384.71-23,120.35-9,145.84

Finding the Fourth Proportional to 15,384.71, 23,120.35 and 9,145.84

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Solution

The fourth proportional to 15,384.71, 23,120.35 and 9,145.84 is: 13,744.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,384.71 : 23,120.35 = 9,145.84 : x
  2. Step 2: Convert to fraction form
    15,384.71/23,120.35 = 9,145.84/x
  3. Step 3: Cross multiply
    15,384.71x = 23,120.35 × 9,145.84
  4. Step 4: Simplify right side
    15,384.71x = 211,454,932.36
  5. Step 5: Solve for x
    x = 211,454,932.36/15,384.71
  6. Step 6: Final answer
    x = 13,744.49

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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.