Home / 13,417.72-20,130.19-4,652.64

Finding the Fourth Proportional to 13,417.72, 20,130.19 and 4,652.64

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Solution

The fourth proportional to 13,417.72, 20,130.19 and 4,652.64 is: 6,980.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,417.72 : 20,130.19 = 4,652.64 : x
  2. Step 2: Convert to fraction form
    13,417.72/20,130.19 = 4,652.64/x
  3. Step 3: Cross multiply
    13,417.72x = 20,130.19 × 4,652.64
  4. Step 4: Simplify right side
    13,417.72x = 93,658,515.57
  5. Step 5: Solve for x
    x = 93,658,515.57/13,417.72
  6. Step 6: Final answer
    x = 6,980.21

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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.