Home / 18,548.77-25,585.93-15,150.72

Finding the Fourth Proportional to 18,548.77, 25,585.93 and 15,150.72

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Solution

The fourth proportional to 18,548.77, 25,585.93 and 15,150.72 is: 20,898.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,548.77 : 25,585.93 = 15,150.72 : x
  2. Step 2: Convert to fraction form
    18,548.77/25,585.93 = 15,150.72/x
  3. Step 3: Cross multiply
    18,548.77x = 25,585.93 × 15,150.72
  4. Step 4: Simplify right side
    18,548.77x = 387,645,197.40
  5. Step 5: Solve for x
    x = 387,645,197.40/18,548.77
  6. Step 6: Final answer
    x = 20,898.70

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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.