Home / 13,269.06-18,311.75-7,300.98

Finding the Fourth Proportional to 13,269.06, 18,311.75 and 7,300.98

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Solution

The fourth proportional to 13,269.06, 18,311.75 and 7,300.98 is: 10,075.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269.06 : 18,311.75 = 7,300.98 : x
  2. Step 2: Convert to fraction form
    13,269.06/18,311.75 = 7,300.98/x
  3. Step 3: Cross multiply
    13,269.06x = 18,311.75 × 7,300.98
  4. Step 4: Simplify right side
    13,269.06x = 133,693,720.52
  5. Step 5: Solve for x
    x = 133,693,720.52/13,269.06
  6. Step 6: Final answer
    x = 10,075.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.