Home / 13,054.56-19,584.64-4,289.12

Finding the Fourth Proportional to 13,054.56, 19,584.64 and 4,289.12

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Solution

The fourth proportional to 13,054.56, 19,584.64 and 4,289.12 is: 6,434.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,054.56 : 19,584.64 = 4,289.12 : x
  2. Step 2: Convert to fraction form
    13,054.56/19,584.64 = 4,289.12/x
  3. Step 3: Cross multiply
    13,054.56x = 19,584.64 × 4,289.12
  4. Step 4: Simplify right side
    13,054.56x = 84,000,871.12
  5. Step 5: Solve for x
    x = 84,000,871.12/13,054.56
  6. Step 6: Final answer
    x = 6,434.60

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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.