Home / 10,072.96-13,898.19-6,290.26

Finding the Fourth Proportional to 10,072.96, 13,898.19 and 6,290.26

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Solution

The fourth proportional to 10,072.96, 13,898.19 and 6,290.26 is: 8,679.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,072.96 : 13,898.19 = 6,290.26 : x
  2. Step 2: Convert to fraction form
    10,072.96/13,898.19 = 6,290.26/x
  3. Step 3: Cross multiply
    10,072.96x = 13,898.19 × 6,290.26
  4. Step 4: Simplify right side
    10,072.96x = 87,423,228.63
  5. Step 5: Solve for x
    x = 87,423,228.63/10,072.96
  6. Step 6: Final answer
    x = 8,679.00

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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.