Home / 12,459.37-17,193.14-7,150.45

Finding the Fourth Proportional to 12,459.37, 17,193.14 and 7,150.45

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Solution

The fourth proportional to 12,459.37, 17,193.14 and 7,150.45 is: 9,867.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,459.37 : 17,193.14 = 7,150.45 : x
  2. Step 2: Convert to fraction form
    12,459.37/17,193.14 = 7,150.45/x
  3. Step 3: Cross multiply
    12,459.37x = 17,193.14 × 7,150.45
  4. Step 4: Simplify right side
    12,459.37x = 122,938,601.95
  5. Step 5: Solve for x
    x = 122,938,601.95/12,459.37
  6. Step 6: Final answer
    x = 9,867.16

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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.