Home / 13,148.84-19,726.40-4,383.84

Finding the Fourth Proportional to 13,148.84, 19,726.40 and 4,383.84

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Solution

The fourth proportional to 13,148.84, 19,726.40 and 4,383.84 is: 6,576.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,148.84 : 19,726.40 = 4,383.84 : x
  2. Step 2: Convert to fraction form
    13,148.84/19,726.40 = 4,383.84/x
  3. Step 3: Cross multiply
    13,148.84x = 19,726.40 × 4,383.84
  4. Step 4: Simplify right side
    13,148.84x = 86,477,381.38
  5. Step 5: Solve for x
    x = 86,477,381.38/13,148.84
  6. Step 6: Final answer
    x = 6,576.81

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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.