Home / 11,347.26-15,648.22-7,570.57

Finding the Fourth Proportional to 11,347.26, 15,648.22 and 7,570.57

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Solution

The fourth proportional to 11,347.26, 15,648.22 and 7,570.57 is: 10,440.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,347.26 : 15,648.22 = 7,570.57 : x
  2. Step 2: Convert to fraction form
    11,347.26/15,648.22 = 7,570.57/x
  3. Step 3: Cross multiply
    11,347.26x = 15,648.22 × 7,570.57
  4. Step 4: Simplify right side
    11,347.26x = 118,465,944.89
  5. Step 5: Solve for x
    x = 118,465,944.89/11,347.26
  6. Step 6: Final answer
    x = 10,440.05

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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.