Home / 13,047.80-19,557.30-7,208.60

Finding the Fourth Proportional to 13,047.80, 19,557.30 and 7,208.60

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Solution

The fourth proportional to 13,047.80, 19,557.30 and 7,208.60 is: 10,804.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,047.80 : 19,557.30 = 7,208.60 : x
  2. Step 2: Convert to fraction form
    13,047.80/19,557.30 = 7,208.60/x
  3. Step 3: Cross multiply
    13,047.80x = 19,557.30 × 7,208.60
  4. Step 4: Simplify right side
    13,047.80x = 140,980,752.78
  5. Step 5: Solve for x
    x = 140,980,752.78/13,047.80
  6. Step 6: Final answer
    x = 10,804.94

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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.