Home / 14,150.55-19,526.80-7,777.00

Finding the Fourth Proportional to 14,150.55, 19,526.80 and 7,777.00

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Solution

The fourth proportional to 14,150.55, 19,526.80 and 7,777.00 is: 10,731.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,150.55 : 19,526.80 = 7,777.00 : x
  2. Step 2: Convert to fraction form
    14,150.55/19,526.80 = 7,777.00/x
  3. Step 3: Cross multiply
    14,150.55x = 19,526.80 × 7,777.00
  4. Step 4: Simplify right side
    14,150.55x = 151,859,874.78
  5. Step 5: Solve for x
    x = 151,859,874.78/14,150.55
  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.