Home / 18,153.32-25,044.58-13,384.60

Finding the Fourth Proportional to 18,153.32, 25,044.58 and 13,384.60

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Solution

The fourth proportional to 18,153.32, 25,044.58 and 13,384.60 is: 18,465.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,153.32 : 25,044.58 = 13,384.60 : x
  2. Step 2: Convert to fraction form
    18,153.32/25,044.58 = 13,384.60/x
  3. Step 3: Cross multiply
    18,153.32x = 25,044.58 × 13,384.60
  4. Step 4: Simplify right side
    18,153.32x = 335,211,685.47
  5. Step 5: Solve for x
    x = 335,211,685.47/18,153.32
  6. Step 6: Final answer
    x = 18,465.59

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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.