Home / 13,027.60-19,528.32-6,458.56

Finding the Fourth Proportional to 13,027.60, 19,528.32 and 6,458.56

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Solution

The fourth proportional to 13,027.60, 19,528.32 and 6,458.56 is: 9,681.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,027.60 : 19,528.32 = 6,458.56 : x
  2. Step 2: Convert to fraction form
    13,027.60/19,528.32 = 6,458.56/x
  3. Step 3: Cross multiply
    13,027.60x = 19,528.32 × 6,458.56
  4. Step 4: Simplify right side
    13,027.60x = 126,124,826.42
  5. Step 5: Solve for x
    x = 126,124,826.42/13,027.60
  6. Step 6: Final answer
    x = 9,681.36

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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.