Home / 20,444.64-28,214.08-11,370.08

Finding the Fourth Proportional to 20,444.64, 28,214.08 and 11,370.08

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Solution

The fourth proportional to 20,444.64, 28,214.08 and 11,370.08 is: 15,690.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,444.64 : 28,214.08 = 11,370.08 : x
  2. Step 2: Convert to fraction form
    20,444.64/28,214.08 = 11,370.08/x
  3. Step 3: Cross multiply
    20,444.64x = 28,214.08 × 11,370.08
  4. Step 4: Simplify right side
    20,444.64x = 320,796,346.73
  5. Step 5: Solve for x
    x = 320,796,346.73/20,444.64
  6. Step 6: Final answer
    x = 15,690.98

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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.