Home / 9,699.80-14,551.74-3,130.56

Finding the Fourth Proportional to 9,699.80, 14,551.74 and 3,130.56

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Solution

The fourth proportional to 9,699.80, 14,551.74 and 3,130.56 is: 4,696.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,699.80 : 14,551.74 = 3,130.56 : x
  2. Step 2: Convert to fraction form
    9,699.80/14,551.74 = 3,130.56/x
  3. Step 3: Cross multiply
    9,699.80x = 14,551.74 × 3,130.56
  4. Step 4: Simplify right side
    9,699.80x = 45,555,095.17
  5. Step 5: Solve for x
    x = 45,555,095.17/9,699.80
  6. Step 6: Final answer
    x = 4,696.50

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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.