Home / 13,508.02-20,271.08-4,742.96

Finding the Fourth Proportional to 13,508.02, 20,271.08 and 4,742.96

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Solution

The fourth proportional to 13,508.02, 20,271.08 and 4,742.96 is: 7,117.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,508.02 : 20,271.08 = 4,742.96 : x
  2. Step 2: Convert to fraction form
    13,508.02/20,271.08 = 4,742.96/x
  3. Step 3: Cross multiply
    13,508.02x = 20,271.08 × 4,742.96
  4. Step 4: Simplify right side
    13,508.02x = 96,144,921.60
  5. Step 5: Solve for x
    x = 96,144,921.60/13,508.02
  6. Step 6: Final answer
    x = 7,117.62

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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.