Home / 18,464.37-25,479.95-10,505.85

Finding the Fourth Proportional to 18,464.37, 25,479.95 and 10,505.85

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Solution

The fourth proportional to 18,464.37, 25,479.95 and 10,505.85 is: 14,497.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,464.37 : 25,479.95 = 10,505.85 : x
  2. Step 2: Convert to fraction form
    18,464.37/25,479.95 = 10,505.85/x
  3. Step 3: Cross multiply
    18,464.37x = 25,479.95 × 10,505.85
  4. Step 4: Simplify right side
    18,464.37x = 267,688,480.18
  5. Step 5: Solve for x
    x = 267,688,480.18/18,464.37
  6. Step 6: Final answer
    x = 14,497.57

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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.