Home / 11,262.81-15,541.14-7,070.25

Finding the Fourth Proportional to 11,262.81, 15,541.14 and 7,070.25

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Solution

The fourth proportional to 11,262.81, 15,541.14 and 7,070.25 is: 9,755.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,262.81 : 15,541.14 = 7,070.25 : x
  2. Step 2: Convert to fraction form
    11,262.81/15,541.14 = 7,070.25/x
  3. Step 3: Cross multiply
    11,262.81x = 15,541.14 × 7,070.25
  4. Step 4: Simplify right side
    11,262.81x = 109,879,745.09
  5. Step 5: Solve for x
    x = 109,879,745.09/11,262.81
  6. Step 6: Final answer
    x = 9,755.98

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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.