Home / 10,154.24-15,215.63-7,040.33

Finding the Fourth Proportional to 10,154.24, 15,215.63 and 7,040.33

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Solution

The fourth proportional to 10,154.24, 15,215.63 and 7,040.33 is: 10,549.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,154.24 : 15,215.63 = 7,040.33 : x
  2. Step 2: Convert to fraction form
    10,154.24/15,215.63 = 7,040.33/x
  3. Step 3: Cross multiply
    10,154.24x = 15,215.63 × 7,040.33
  4. Step 4: Simplify right side
    10,154.24x = 107,122,945.08
  5. Step 5: Solve for x
    x = 107,122,945.08/10,154.24
  6. Step 6: Final answer
    x = 10,549.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.