Home / 18,846.24-28,269.36-4,807.32

Finding the Fourth Proportional to 18,846.24, 28,269.36 and 4,807.32

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Solution

The fourth proportional to 18,846.24, 28,269.36 and 4,807.32 is: 7,210.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,846.24 : 28,269.36 = 4,807.32 : x
  2. Step 2: Convert to fraction form
    18,846.24/28,269.36 = 4,807.32/x
  3. Step 3: Cross multiply
    18,846.24x = 28,269.36 × 4,807.32
  4. Step 4: Simplify right side
    18,846.24x = 135,899,859.72
  5. Step 5: Solve for x
    x = 135,899,859.72/18,846.24
  6. Step 6: Final answer
    x = 7,210.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.