Home / 11,317.84-15,620.45-6,283.67

Finding the Fourth Proportional to 11,317.84, 15,620.45 and 6,283.67

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Solution

The fourth proportional to 11,317.84, 15,620.45 and 6,283.67 is: 8,672.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,317.84 : 15,620.45 = 6,283.67 : x
  2. Step 2: Convert to fraction form
    11,317.84/15,620.45 = 6,283.67/x
  3. Step 3: Cross multiply
    11,317.84x = 15,620.45 × 6,283.67
  4. Step 4: Simplify right side
    11,317.84x = 98,153,690.66
  5. Step 5: Solve for x
    x = 98,153,690.66/11,317.84
  6. Step 6: Final answer
    x = 8,672.48

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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.