Home / 19,153.56-26,431.74-10,769.88

Finding the Fourth Proportional to 19,153.56, 26,431.74 and 10,769.88

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Solution

The fourth proportional to 19,153.56, 26,431.74 and 10,769.88 is: 14,862.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,153.56 : 26,431.74 = 10,769.88 : x
  2. Step 2: Convert to fraction form
    19,153.56/26,431.74 = 10,769.88/x
  3. Step 3: Cross multiply
    19,153.56x = 26,431.74 × 10,769.88
  4. Step 4: Simplify right side
    19,153.56x = 284,666,667.99
  5. Step 5: Solve for x
    x = 284,666,667.99/19,153.56
  6. Step 6: Final answer
    x = 14,862.34

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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.