Home / 13,070.80-19,614.60-7,231.60

Finding the Fourth Proportional to 13,070.80, 19,614.60 and 7,231.60

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Solution

The fourth proportional to 13,070.80, 19,614.60 and 7,231.60 is: 10,852.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,070.80 : 19,614.60 = 7,231.60 : x
  2. Step 2: Convert to fraction form
    13,070.80/19,614.60 = 7,231.60/x
  3. Step 3: Cross multiply
    13,070.80x = 19,614.60 × 7,231.60
  4. Step 4: Simplify right side
    13,070.80x = 141,844,941.36
  5. Step 5: Solve for x
    x = 141,844,941.36/13,070.80
  6. Step 6: Final answer
    x = 10,852.05

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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.