Home / 10,905.04-16,318.52-8,572.24

Finding the Fourth Proportional to 10,905.04, 16,318.52 and 8,572.24

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Solution

The fourth proportional to 10,905.04, 16,318.52 and 8,572.24 is: 12,827.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,905.04 : 16,318.52 = 8,572.24 : x
  2. Step 2: Convert to fraction form
    10,905.04/16,318.52 = 8,572.24/x
  3. Step 3: Cross multiply
    10,905.04x = 16,318.52 × 8,572.24
  4. Step 4: Simplify right side
    10,905.04x = 139,886,269.88
  5. Step 5: Solve for x
    x = 139,886,269.88/10,905.04
  6. Step 6: Final answer
    x = 12,827.67

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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.