Home / 13,206.04-19,692.67-13,087.60

Finding the Fourth Proportional to 13,206.04, 19,692.67 and 13,087.60

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Solution

The fourth proportional to 13,206.04, 19,692.67 and 13,087.60 is: 19,516.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,206.04 : 19,692.67 = 13,087.60 : x
  2. Step 2: Convert to fraction form
    13,206.04/19,692.67 = 13,087.60/x
  3. Step 3: Cross multiply
    13,206.04x = 19,692.67 × 13,087.60
  4. Step 4: Simplify right side
    13,206.04x = 257,729,787.89
  5. Step 5: Solve for x
    x = 257,729,787.89/13,206.04
  6. Step 6: Final answer
    x = 19,516.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.