Home / 14,412.12-19,885.69-8,749.85

Finding the Fourth Proportional to 14,412.12, 19,885.69 and 8,749.85

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Solution

The fourth proportional to 14,412.12, 19,885.69 and 8,749.85 is: 12,072.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,412.12 : 19,885.69 = 8,749.85 : x
  2. Step 2: Convert to fraction form
    14,412.12/19,885.69 = 8,749.85/x
  3. Step 3: Cross multiply
    14,412.12x = 19,885.69 × 8,749.85
  4. Step 4: Simplify right side
    14,412.12x = 173,996,683.34
  5. Step 5: Solve for x
    x = 173,996,683.34/14,412.12
  6. Step 6: Final answer
    x = 12,072.94

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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.