Home / 19,280.70-26,604.90-10,783.08

Finding the Fourth Proportional to 19,280.70, 26,604.90 and 10,783.08

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Solution

The fourth proportional to 19,280.70, 26,604.90 and 10,783.08 is: 14,879.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,280.70 : 26,604.90 = 10,783.08 : x
  2. Step 2: Convert to fraction form
    19,280.70/26,604.90 = 10,783.08/x
  3. Step 3: Cross multiply
    19,280.70x = 26,604.90 × 10,783.08
  4. Step 4: Simplify right side
    19,280.70x = 286,882,765.09
  5. Step 5: Solve for x
    x = 286,882,765.09/19,280.70
  6. Step 6: Final answer
    x = 14,879.27

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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.