Home / 13,531.51-20,304.93-7,291.37

Finding the Fourth Proportional to 13,531.51, 20,304.93 and 7,291.37

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Solution

The fourth proportional to 13,531.51, 20,304.93 and 7,291.37 is: 10,941.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,531.51 : 20,304.93 = 7,291.37 : x
  2. Step 2: Convert to fraction form
    13,531.51/20,304.93 = 7,291.37/x
  3. Step 3: Cross multiply
    13,531.51x = 20,304.93 × 7,291.37
  4. Step 4: Simplify right side
    13,531.51x = 148,050,680.33
  5. Step 5: Solve for x
    x = 148,050,680.33/13,531.51
  6. Step 6: Final answer
    x = 10,941.18

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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.