Home / 14,785.32-20,403.06-8,071.26

Finding the Fourth Proportional to 14,785.32, 20,403.06 and 8,071.26

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Solution

The fourth proportional to 14,785.32, 20,403.06 and 8,071.26 is: 11,137.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,785.32 : 20,403.06 = 8,071.26 : x
  2. Step 2: Convert to fraction form
    14,785.32/20,403.06 = 8,071.26/x
  3. Step 3: Cross multiply
    14,785.32x = 20,403.06 × 8,071.26
  4. Step 4: Simplify right side
    14,785.32x = 164,678,402.06
  5. Step 5: Solve for x
    x = 164,678,402.06/14,785.32
  6. Step 6: Final answer
    x = 11,137.97

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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.