Home / 10,154.33-13,999.19-7,125.34

Finding the Fourth Proportional to 10,154.33, 13,999.19 and 7,125.34

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Solution

The fourth proportional to 10,154.33, 13,999.19 and 7,125.34 is: 9,823.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,154.33 : 13,999.19 = 7,125.34 : x
  2. Step 2: Convert to fraction form
    10,154.33/13,999.19 = 7,125.34/x
  3. Step 3: Cross multiply
    10,154.33x = 13,999.19 × 7,125.34
  4. Step 4: Simplify right side
    10,154.33x = 99,748,918.48
  5. Step 5: Solve for x
    x = 99,748,918.48/10,154.33
  6. Step 6: Final answer
    x = 9,823.29

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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.