Home / 13,967.37-20,955.71-5,642.87

Finding the Fourth Proportional to 13,967.37, 20,955.71 and 5,642.87

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Solution

The fourth proportional to 13,967.37, 20,955.71 and 5,642.87 is: 8,466.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,967.37 : 20,955.71 = 5,642.87 : x
  2. Step 2: Convert to fraction form
    13,967.37/20,955.71 = 5,642.87/x
  3. Step 3: Cross multiply
    13,967.37x = 20,955.71 × 5,642.87
  4. Step 4: Simplify right side
    13,967.37x = 118,250,256.62
  5. Step 5: Solve for x
    x = 118,250,256.62/13,967.37
  6. Step 6: Final answer
    x = 8,466.18

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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.