Home / 10,885.95-16,365.83-8,692.80

Finding the Fourth Proportional to 10,885.95, 16,365.83 and 8,692.80

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Solution

The fourth proportional to 10,885.95, 16,365.83 and 8,692.80 is: 13,068.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,885.95 : 16,365.83 = 8,692.80 : x
  2. Step 2: Convert to fraction form
    10,885.95/16,365.83 = 8,692.80/x
  3. Step 3: Cross multiply
    10,885.95x = 16,365.83 × 8,692.80
  4. Step 4: Simplify right side
    10,885.95x = 142,264,867.84
  5. Step 5: Solve for x
    x = 142,264,867.84/10,885.95
  6. Step 6: Final answer
    x = 13,068.67

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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.