Home / 13,008.90-17,954.61-7,706.34

Finding the Fourth Proportional to 13,008.90, 17,954.61 and 7,706.34

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Solution

The fourth proportional to 13,008.90, 17,954.61 and 7,706.34 is: 10,636.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,008.90 : 17,954.61 = 7,706.34 : x
  2. Step 2: Convert to fraction form
    13,008.90/17,954.61 = 7,706.34/x
  3. Step 3: Cross multiply
    13,008.90x = 17,954.61 × 7,706.34
  4. Step 4: Simplify right side
    13,008.90x = 138,364,329.23
  5. Step 5: Solve for x
    x = 138,364,329.23/13,008.90
  6. Step 6: Final answer
    x = 10,636.13

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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.