Home / 11,895.40-17,870.64-7,466.86

Finding the Fourth Proportional to 11,895.40, 17,870.64 and 7,466.86

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Solution

The fourth proportional to 11,895.40, 17,870.64 and 7,466.86 is: 11,217.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,895.40 : 17,870.64 = 7,466.86 : x
  2. Step 2: Convert to fraction form
    11,895.40/17,870.64 = 7,466.86/x
  3. Step 3: Cross multiply
    11,895.40x = 17,870.64 × 7,466.86
  4. Step 4: Simplify right side
    11,895.40x = 133,437,566.99
  5. Step 5: Solve for x
    x = 133,437,566.99/11,895.40
  6. Step 6: Final answer
    x = 11,217.58

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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.