Home / 10,155.32-14,014.88-6,123.44

Finding the Fourth Proportional to 10,155.32, 14,014.88 and 6,123.44

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Solution

The fourth proportional to 10,155.32, 14,014.88 and 6,123.44 is: 8,450.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,155.32 : 14,014.88 = 6,123.44 : x
  2. Step 2: Convert to fraction form
    10,155.32/14,014.88 = 6,123.44/x
  3. Step 3: Cross multiply
    10,155.32x = 14,014.88 × 6,123.44
  4. Step 4: Simplify right side
    10,155.32x = 85,819,276.79
  5. Step 5: Solve for x
    x = 85,819,276.79/10,155.32
  6. Step 6: Final answer
    x = 8,450.67

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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.