Home / 19,769.50-27,283.38-11,271.84

Finding the Fourth Proportional to 19,769.50, 27,283.38 and 11,271.84

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Solution

The fourth proportional to 19,769.50, 27,283.38 and 11,271.84 is: 15,555.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,769.50 : 27,283.38 = 11,271.84 : x
  2. Step 2: Convert to fraction form
    19,769.50/27,283.38 = 11,271.84/x
  3. Step 3: Cross multiply
    19,769.50x = 27,283.38 × 11,271.84
  4. Step 4: Simplify right side
    19,769.50x = 307,533,894.02
  5. Step 5: Solve for x
    x = 307,533,894.02/19,769.50
  6. Step 6: Final answer
    x = 15,555.98

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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.