Home / 19,153.48-26,431.62-10,769.92

Finding the Fourth Proportional to 19,153.48, 26,431.62 and 10,769.92

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Solution

The fourth proportional to 19,153.48, 26,431.62 and 10,769.92 is: 14,862.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,153.48 : 26,431.62 = 10,769.92 : x
  2. Step 2: Convert to fraction form
    19,153.48/26,431.62 = 10,769.92/x
  3. Step 3: Cross multiply
    19,153.48x = 26,431.62 × 10,769.92
  4. Step 4: Simplify right side
    19,153.48x = 284,666,432.87
  5. Step 5: Solve for x
    x = 284,666,432.87/19,153.48
  6. Step 6: Final answer
    x = 14,862.39

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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.