Home / 13,707.04-20,558.94-5,393.20

Finding the Fourth Proportional to 13,707.04, 20,558.94 and 5,393.20

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Solution

The fourth proportional to 13,707.04, 20,558.94 and 5,393.20 is: 8,089.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,707.04 : 20,558.94 = 5,393.20 : x
  2. Step 2: Convert to fraction form
    13,707.04/20,558.94 = 5,393.20/x
  3. Step 3: Cross multiply
    13,707.04x = 20,558.94 × 5,393.20
  4. Step 4: Simplify right side
    13,707.04x = 110,878,475.21
  5. Step 5: Solve for x
    x = 110,878,475.21/13,707.04
  6. Step 6: Final answer
    x = 8,089.16

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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.