Home / 13,795.26-19,037.91-7,827.18

Finding the Fourth Proportional to 13,795.26, 19,037.91 and 7,827.18

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Solution

The fourth proportional to 13,795.26, 19,037.91 and 7,827.18 is: 10,801.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,795.26 : 19,037.91 = 7,827.18 : x
  2. Step 2: Convert to fraction form
    13,795.26/19,037.91 = 7,827.18/x
  3. Step 3: Cross multiply
    13,795.26x = 19,037.91 × 7,827.18
  4. Step 4: Simplify right side
    13,795.26x = 149,013,191.43
  5. Step 5: Solve for x
    x = 149,013,191.43/13,795.26
  6. Step 6: Final answer
    x = 10,801.77

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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.