Home / 13,070.55-19,568.55-8,679.27

Finding the Fourth Proportional to 13,070.55, 19,568.55 and 8,679.27

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Solution

The fourth proportional to 13,070.55, 19,568.55 and 8,679.27 is: 12,994.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,070.55 : 19,568.55 = 8,679.27 : x
  2. Step 2: Convert to fraction form
    13,070.55/19,568.55 = 8,679.27/x
  3. Step 3: Cross multiply
    13,070.55x = 19,568.55 × 8,679.27
  4. Step 4: Simplify right side
    13,070.55x = 169,840,728.96
  5. Step 5: Solve for x
    x = 169,840,728.96/13,070.55
  6. Step 6: Final answer
    x = 12,994.15

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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.