Home / 19,320.92-26,662.98-11,363.48

Finding the Fourth Proportional to 19,320.92, 26,662.98 and 11,363.48

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Solution

The fourth proportional to 19,320.92, 26,662.98 and 11,363.48 is: 15,681.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,320.92 : 26,662.98 = 11,363.48 : x
  2. Step 2: Convert to fraction form
    19,320.92/26,662.98 = 11,363.48/x
  3. Step 3: Cross multiply
    19,320.92x = 26,662.98 × 11,363.48
  4. Step 4: Simplify right side
    19,320.92x = 302,984,239.97
  5. Step 5: Solve for x
    x = 302,984,239.97/19,320.92
  6. Step 6: Final answer
    x = 15,681.67

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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.