Home / 13,813.18-19,063.26-7,846.72

Finding the Fourth Proportional to 13,813.18, 19,063.26 and 7,846.72

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Solution

The fourth proportional to 13,813.18, 19,063.26 and 7,846.72 is: 10,829.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,813.18 : 19,063.26 = 7,846.72 : x
  2. Step 2: Convert to fraction form
    13,813.18/19,063.26 = 7,846.72/x
  3. Step 3: Cross multiply
    13,813.18x = 19,063.26 × 7,846.72
  4. Step 4: Simplify right side
    13,813.18x = 149,584,063.51
  5. Step 5: Solve for x
    x = 149,584,063.51/13,813.18
  6. Step 6: Final answer
    x = 10,829.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.