Home / 19,289.48-26,619.72-10,905.80

Finding the Fourth Proportional to 19,289.48, 26,619.72 and 10,905.80

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Solution

The fourth proportional to 19,289.48, 26,619.72 and 10,905.80 is: 15,050.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,289.48 : 26,619.72 = 10,905.80 : x
  2. Step 2: Convert to fraction form
    19,289.48/26,619.72 = 10,905.80/x
  3. Step 3: Cross multiply
    19,289.48x = 26,619.72 × 10,905.80
  4. Step 4: Simplify right side
    19,289.48x = 290,309,342.38
  5. Step 5: Solve for x
    x = 290,309,342.38/19,289.48
  6. Step 6: Final answer
    x = 15,050.14

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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.