Home / 15,656.95-21,606.57-8,583.83

Finding the Fourth Proportional to 15,656.95, 21,606.57 and 8,583.83

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Solution

The fourth proportional to 15,656.95, 21,606.57 and 8,583.83 is: 11,845.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,656.95 : 21,606.57 = 8,583.83 : x
  2. Step 2: Convert to fraction form
    15,656.95/21,606.57 = 8,583.83/x
  3. Step 3: Cross multiply
    15,656.95x = 21,606.57 × 8,583.83
  4. Step 4: Simplify right side
    15,656.95x = 185,467,181.67
  5. Step 5: Solve for x
    x = 185,467,181.67/15,656.95
  6. Step 6: Final answer
    x = 11,845.67

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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.