Home / 13,652.04-20,478.06-3,791.32

Finding the Fourth Proportional to 13,652.04, 20,478.06 and 3,791.32

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Solution

The fourth proportional to 13,652.04, 20,478.06 and 3,791.32 is: 5,686.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,652.04 : 20,478.06 = 3,791.32 : x
  2. Step 2: Convert to fraction form
    13,652.04/20,478.06 = 3,791.32/x
  3. Step 3: Cross multiply
    13,652.04x = 20,478.06 × 3,791.32
  4. Step 4: Simplify right side
    13,652.04x = 77,638,785.53
  5. Step 5: Solve for x
    x = 77,638,785.53/13,652.04
  6. Step 6: Final answer
    x = 5,686.98

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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.