Home / 9,688.12-14,529.14-3,112.84

Finding the Fourth Proportional to 9,688.12, 14,529.14 and 3,112.84

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Solution

The fourth proportional to 9,688.12, 14,529.14 and 3,112.84 is: 4,668.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,688.12 : 14,529.14 = 3,112.84 : x
  2. Step 2: Convert to fraction form
    9,688.12/14,529.14 = 3,112.84/x
  3. Step 3: Cross multiply
    9,688.12x = 14,529.14 × 3,112.84
  4. Step 4: Simplify right side
    9,688.12x = 45,226,888.16
  5. Step 5: Solve for x
    x = 45,226,888.16/9,688.12
  6. Step 6: Final answer
    x = 4,668.28

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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.