Home / 18,560.08-25,598.46-11,490.40

Finding the Fourth Proportional to 18,560.08, 25,598.46 and 11,490.40

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Solution

The fourth proportional to 18,560.08, 25,598.46 and 11,490.40 is: 15,847.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,560.08 : 25,598.46 = 11,490.40 : x
  2. Step 2: Convert to fraction form
    18,560.08/25,598.46 = 11,490.40/x
  3. Step 3: Cross multiply
    18,560.08x = 25,598.46 × 11,490.40
  4. Step 4: Simplify right side
    18,560.08x = 294,136,544.78
  5. Step 5: Solve for x
    x = 294,136,544.78/18,560.08
  6. Step 6: Final answer
    x = 15,847.81

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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.