Home / 14,150.54-19,526.81-7,776.99

Finding the Fourth Proportional to 14,150.54, 19,526.81 and 7,776.99

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Solution

The fourth proportional to 14,150.54, 19,526.81 and 7,776.99 is: 10,731.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,150.54 : 19,526.81 = 7,776.99 : x
  2. Step 2: Convert to fraction form
    14,150.54/19,526.81 = 7,776.99/x
  3. Step 3: Cross multiply
    14,150.54x = 19,526.81 × 7,776.99
  4. Step 4: Simplify right side
    14,150.54x = 151,859,767.22
  5. Step 5: Solve for x
    x = 151,859,767.22/14,150.54
  6. Step 6: Final answer
    x = 10,731.73

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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.