Home / 14,319.25-19,760.51-7,945.67

Finding the Fourth Proportional to 14,319.25, 19,760.51 and 7,945.67

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Solution

The fourth proportional to 14,319.25, 19,760.51 and 7,945.67 is: 10,965.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,319.25 : 19,760.51 = 7,945.67 : x
  2. Step 2: Convert to fraction form
    14,319.25/19,760.51 = 7,945.67/x
  3. Step 3: Cross multiply
    14,319.25x = 19,760.51 × 7,945.67
  4. Step 4: Simplify right side
    14,319.25x = 157,010,560.76
  5. Step 5: Solve for x
    x = 157,010,560.76/14,319.25
  6. Step 6: Final answer
    x = 10,965.00

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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.