Home / 19,421.76-26,800.32-11,464.32

Finding the Fourth Proportional to 19,421.76, 26,800.32 and 11,464.32

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Solution

The fourth proportional to 19,421.76, 26,800.32 and 11,464.32 is: 15,819.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,421.76 : 26,800.32 = 11,464.32 : x
  2. Step 2: Convert to fraction form
    19,421.76/26,800.32 = 11,464.32/x
  3. Step 3: Cross multiply
    19,421.76x = 26,800.32 × 11,464.32
  4. Step 4: Simplify right side
    19,421.76x = 307,247,444.58
  5. Step 5: Solve for x
    x = 307,247,444.58/19,421.76
  6. Step 6: Final answer
    x = 15,819.75

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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.