Home / 12,688.44-19,030.74-4,367.16

Finding the Fourth Proportional to 12,688.44, 19,030.74 and 4,367.16

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Solution

The fourth proportional to 12,688.44, 19,030.74 and 4,367.16 is: 6,550.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,688.44 : 19,030.74 = 4,367.16 : x
  2. Step 2: Convert to fraction form
    12,688.44/19,030.74 = 4,367.16/x
  3. Step 3: Cross multiply
    12,688.44x = 19,030.74 × 4,367.16
  4. Step 4: Simplify right side
    12,688.44x = 83,110,286.50
  5. Step 5: Solve for x
    x = 83,110,286.50/12,688.44
  6. Step 6: Final answer
    x = 6,550.08

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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.