Home / 14,038.35-19,373.40-8,071.26

Finding the Fourth Proportional to 14,038.35, 19,373.40 and 8,071.26

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Solution

The fourth proportional to 14,038.35, 19,373.40 and 8,071.26 is: 11,138.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,038.35 : 19,373.40 = 8,071.26 : x
  2. Step 2: Convert to fraction form
    14,038.35/19,373.40 = 8,071.26/x
  3. Step 3: Cross multiply
    14,038.35x = 19,373.40 × 8,071.26
  4. Step 4: Simplify right side
    14,038.35x = 156,367,748.48
  5. Step 5: Solve for x
    x = 156,367,748.48/14,038.35
  6. Step 6: Final answer
    x = 11,138.61

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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.