Home / 11,306.46-15,603.87-6,272.30

Finding the Fourth Proportional to 11,306.46, 15,603.87 and 6,272.30

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Solution

The fourth proportional to 11,306.46, 15,603.87 and 6,272.30 is: 8,656.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,306.46 : 15,603.87 = 6,272.30 : x
  2. Step 2: Convert to fraction form
    11,306.46/15,603.87 = 6,272.30/x
  3. Step 3: Cross multiply
    11,306.46x = 15,603.87 × 6,272.30
  4. Step 4: Simplify right side
    11,306.46x = 97,872,075.64
  5. Step 5: Solve for x
    x = 97,872,075.64/11,306.46
  6. Step 6: Final answer
    x = 8,656.30

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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.