Home / 9,878.46-14,779.38-6,308.76

Finding the Fourth Proportional to 9,878.46, 14,779.38 and 6,308.76

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Solution

The fourth proportional to 9,878.46, 14,779.38 and 6,308.76 is: 9,438.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,878.46 : 14,779.38 = 6,308.76 : x
  2. Step 2: Convert to fraction form
    9,878.46/14,779.38 = 6,308.76/x
  3. Step 3: Cross multiply
    9,878.46x = 14,779.38 × 6,308.76
  4. Step 4: Simplify right side
    9,878.46x = 93,239,561.37
  5. Step 5: Solve for x
    x = 93,239,561.37/9,878.46
  6. Step 6: Final answer
    x = 9,438.67

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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.