Home / 12,671.40-19,009.36-4,349.26

Finding the Fourth Proportional to 12,671.40, 19,009.36 and 4,349.26

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Solution

The fourth proportional to 12,671.40, 19,009.36 and 4,349.26 is: 6,524.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,671.40 : 19,009.36 = 4,349.26 : x
  2. Step 2: Convert to fraction form
    12,671.40/19,009.36 = 4,349.26/x
  3. Step 3: Cross multiply
    12,671.40x = 19,009.36 × 4,349.26
  4. Step 4: Simplify right side
    12,671.40x = 82,676,649.07
  5. Step 5: Solve for x
    x = 82,676,649.07/12,671.40
  6. Step 6: Final answer
    x = 6,524.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.