Home / 13,397.42-20,101.60-4,638.50

Finding the Fourth Proportional to 13,397.42, 20,101.60 and 4,638.50

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Solution

The fourth proportional to 13,397.42, 20,101.60 and 4,638.50 is: 6,959.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,397.42 : 20,101.60 = 4,638.50 : x
  2. Step 2: Convert to fraction form
    13,397.42/20,101.60 = 4,638.50/x
  3. Step 3: Cross multiply
    13,397.42x = 20,101.60 × 4,638.50
  4. Step 4: Simplify right side
    13,397.42x = 93,241,271.60
  5. Step 5: Solve for x
    x = 93,241,271.60/13,397.42
  6. Step 6: Final answer
    x = 6,959.64

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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.