Home / 14,394.08-19,868.81-8,427.67

Finding the Fourth Proportional to 14,394.08, 19,868.81 and 8,427.67

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Solution

The fourth proportional to 14,394.08, 19,868.81 and 8,427.67 is: 11,633.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,394.08 : 19,868.81 = 8,427.67 : x
  2. Step 2: Convert to fraction form
    14,394.08/19,868.81 = 8,427.67/x
  3. Step 3: Cross multiply
    14,394.08x = 19,868.81 × 8,427.67
  4. Step 4: Simplify right side
    14,394.08x = 167,447,682.16
  5. Step 5: Solve for x
    x = 167,447,682.16/14,394.08
  6. Step 6: Final answer
    x = 11,633.09

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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.