Home / 20,907.26-31,360.98-7,065.98

Finding the Fourth Proportional to 20,907.26, 31,360.98 and 7,065.98

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Solution

The fourth proportional to 20,907.26, 31,360.98 and 7,065.98 is: 10,599.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,907.26 : 31,360.98 = 7,065.98 : x
  2. Step 2: Convert to fraction form
    20,907.26/31,360.98 = 7,065.98/x
  3. Step 3: Cross multiply
    20,907.26x = 31,360.98 × 7,065.98
  4. Step 4: Simplify right side
    20,907.26x = 221,596,057.46
  5. Step 5: Solve for x
    x = 221,596,057.46/20,907.26
  6. Step 6: Final answer
    x = 10,599.00

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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.