Home / 10,070.19-13,899.60-6,291.09

Finding the Fourth Proportional to 10,070.19, 13,899.60 and 6,291.09

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Solution

The fourth proportional to 10,070.19, 13,899.60 and 6,291.09 is: 8,683.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,070.19 : 13,899.60 = 6,291.09 : x
  2. Step 2: Convert to fraction form
    10,070.19/13,899.60 = 6,291.09/x
  3. Step 3: Cross multiply
    10,070.19x = 13,899.60 × 6,291.09
  4. Step 4: Simplify right side
    10,070.19x = 87,443,634.56
  5. Step 5: Solve for x
    x = 87,443,634.56/10,070.19
  6. Step 6: Final answer
    x = 8,683.41

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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.