Home / 10,885.56-16,327.12-2,988.67

Finding the Fourth Proportional to 10,885.56, 16,327.12 and 2,988.67

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Solution

The fourth proportional to 10,885.56, 16,327.12 and 2,988.67 is: 4,482.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,885.56 : 16,327.12 = 2,988.67 : x
  2. Step 2: Convert to fraction form
    10,885.56/16,327.12 = 2,988.67/x
  3. Step 3: Cross multiply
    10,885.56x = 16,327.12 × 2,988.67
  4. Step 4: Simplify right side
    10,885.56x = 48,796,373.73
  5. Step 5: Solve for x
    x = 48,796,373.73/10,885.56
  6. Step 6: Final answer
    x = 4,482.67

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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.