Home / 12,785.37-19,178.12-4,465.32

Finding the Fourth Proportional to 12,785.37, 19,178.12 and 4,465.32

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Solution

The fourth proportional to 12,785.37, 19,178.12 and 4,465.32 is: 6,698.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,785.37 : 19,178.12 = 4,465.32 : x
  2. Step 2: Convert to fraction form
    12,785.37/19,178.12 = 4,465.32/x
  3. Step 3: Cross multiply
    12,785.37x = 19,178.12 × 4,465.32
  4. Step 4: Simplify right side
    12,785.37x = 85,636,442.80
  5. Step 5: Solve for x
    x = 85,636,442.80/12,785.37
  6. Step 6: Final answer
    x = 6,698.00

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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.