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Finding the Fourth Proportional to 9,900.52, 14,850.78 and 4,703.56

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Solution

The fourth proportional to 9,900.52, 14,850.78 and 4,703.56 is: 7,055.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,900.52 : 14,850.78 = 4,703.56 : x
  2. Step 2: Convert to fraction form
    9,900.52/14,850.78 = 4,703.56/x
  3. Step 3: Cross multiply
    9,900.52x = 14,850.78 × 4,703.56
  4. Step 4: Simplify right side
    9,900.52x = 69,851,534.78
  5. Step 5: Solve for x
    x = 69,851,534.78/9,900.52
  6. Step 6: Final answer
    x = 7,055.34

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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.