Home / 14,344.21-19,795.60-7,970.76

Finding the Fourth Proportional to 14,344.21, 19,795.60 and 7,970.76

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Solution

The fourth proportional to 14,344.21, 19,795.60 and 7,970.76 is: 10,999.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,344.21 : 19,795.60 = 7,970.76 : x
  2. Step 2: Convert to fraction form
    14,344.21/19,795.60 = 7,970.76/x
  3. Step 3: Cross multiply
    14,344.21x = 19,795.60 × 7,970.76
  4. Step 4: Simplify right side
    14,344.21x = 157,785,961.31
  5. Step 5: Solve for x
    x = 157,785,961.31/14,344.21
  6. Step 6: Final answer
    x = 10,999.97

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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.