Home / 13,045.80-19,554.30-7,206.60

Finding the Fourth Proportional to 13,045.80, 19,554.30 and 7,206.60

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Solution

The fourth proportional to 13,045.80, 19,554.30 and 7,206.60 is: 10,801.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,045.80 : 19,554.30 = 7,206.60 : x
  2. Step 2: Convert to fraction form
    13,045.80/19,554.30 = 7,206.60/x
  3. Step 3: Cross multiply
    13,045.80x = 19,554.30 × 7,206.60
  4. Step 4: Simplify right side
    13,045.80x = 140,920,018.38
  5. Step 5: Solve for x
    x = 140,920,018.38/13,045.80
  6. Step 6: Final answer
    x = 10,801.95

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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.