Home / 13,148.64-19,726.29-4,383.72

Finding the Fourth Proportional to 13,148.64, 19,726.29 and 4,383.72

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Solution

The fourth proportional to 13,148.64, 19,726.29 and 4,383.72 is: 6,576.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,148.64 : 19,726.29 = 4,383.72 : x
  2. Step 2: Convert to fraction form
    13,148.64/19,726.29 = 4,383.72/x
  3. Step 3: Cross multiply
    13,148.64x = 19,726.29 × 4,383.72
  4. Step 4: Simplify right side
    13,148.64x = 86,474,532.00
  5. Step 5: Solve for x
    x = 86,474,532.00/13,148.64
  6. Step 6: Final answer
    x = 6,576.69

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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.