Home / 11,559.41-15,936.10-7,308.34

Finding the Fourth Proportional to 11,559.41, 15,936.10 and 7,308.34

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Solution

The fourth proportional to 11,559.41, 15,936.10 and 7,308.34 is: 10,075.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,559.41 : 15,936.10 = 7,308.34 : x
  2. Step 2: Convert to fraction form
    11,559.41/15,936.10 = 7,308.34/x
  3. Step 3: Cross multiply
    11,559.41x = 15,936.10 × 7,308.34
  4. Step 4: Simplify right side
    11,559.41x = 116,466,394.95
  5. Step 5: Solve for x
    x = 116,466,394.95/11,559.41
  6. Step 6: Final answer
    x = 10,075.47

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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.