Home / 13,265.39-19,898.71-4,381.51

Finding the Fourth Proportional to 13,265.39, 19,898.71 and 4,381.51

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Solution

The fourth proportional to 13,265.39, 19,898.71 and 4,381.51 is: 6,572.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,265.39 : 19,898.71 = 4,381.51 : x
  2. Step 2: Convert to fraction form
    13,265.39/19,898.71 = 4,381.51/x
  3. Step 3: Cross multiply
    13,265.39x = 19,898.71 × 4,381.51
  4. Step 4: Simplify right side
    13,265.39x = 87,186,396.85
  5. Step 5: Solve for x
    x = 87,186,396.85/13,265.39
  6. Step 6: Final answer
    x = 6,572.47

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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.