Home / 13,960.63-19,265.29-7,672.15

Finding the Fourth Proportional to 13,960.63, 19,265.29 and 7,672.15

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Solution

The fourth proportional to 13,960.63, 19,265.29 and 7,672.15 is: 10,587.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,960.63 : 19,265.29 = 7,672.15 : x
  2. Step 2: Convert to fraction form
    13,960.63/19,265.29 = 7,672.15/x
  3. Step 3: Cross multiply
    13,960.63x = 19,265.29 × 7,672.15
  4. Step 4: Simplify right side
    13,960.63x = 147,806,194.67
  5. Step 5: Solve for x
    x = 147,806,194.67/13,960.63
  6. Step 6: Final answer
    x = 10,587.36

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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.