Home / 14,345.37-19,785.64-10,379.61

Finding the Fourth Proportional to 14,345.37, 19,785.64 and 10,379.61

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Solution

The fourth proportional to 14,345.37, 19,785.64 and 10,379.61 is: 14,315.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,345.37 : 19,785.64 = 10,379.61 : x
  2. Step 2: Convert to fraction form
    14,345.37/19,785.64 = 10,379.61/x
  3. Step 3: Cross multiply
    14,345.37x = 19,785.64 × 10,379.61
  4. Step 4: Simplify right side
    14,345.37x = 205,367,226.80
  5. Step 5: Solve for x
    x = 205,367,226.80/14,345.37
  6. Step 6: Final answer
    x = 14,315.92

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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.