Home / 18,520.36-25,557.95-10,022.45

Finding the Fourth Proportional to 18,520.36, 25,557.95 and 10,022.45

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Solution

The fourth proportional to 18,520.36, 25,557.95 and 10,022.45 is: 13,830.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,520.36 : 25,557.95 = 10,022.45 : x
  2. Step 2: Convert to fraction form
    18,520.36/25,557.95 = 10,022.45/x
  3. Step 3: Cross multiply
    18,520.36x = 25,557.95 × 10,022.45
  4. Step 4: Simplify right side
    18,520.36x = 256,153,173.24
  5. Step 5: Solve for x
    x = 256,153,173.24/18,520.36
  6. Step 6: Final answer
    x = 13,830.90

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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.