Home / 19,266.40-28,907.70-10,507.60

Finding the Fourth Proportional to 19,266.40, 28,907.70 and 10,507.60

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Solution

The fourth proportional to 19,266.40, 28,907.70 and 10,507.60 is: 15,765.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,266.40 : 28,907.70 = 10,507.60 : x
  2. Step 2: Convert to fraction form
    19,266.40/28,907.70 = 10,507.60/x
  3. Step 3: Cross multiply
    19,266.40x = 28,907.70 × 10,507.60
  4. Step 4: Simplify right side
    19,266.40x = 303,750,548.52
  5. Step 5: Solve for x
    x = 303,750,548.52/19,266.40
  6. Step 6: Final answer
    x = 15,765.82

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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.