Home / 18,916.84-26,104.98-10,419.54

Finding the Fourth Proportional to 18,916.84, 26,104.98 and 10,419.54

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Solution

The fourth proportional to 18,916.84, 26,104.98 and 10,419.54 is: 14,378.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,916.84 : 26,104.98 = 10,419.54 : x
  2. Step 2: Convert to fraction form
    18,916.84/26,104.98 = 10,419.54/x
  3. Step 3: Cross multiply
    18,916.84x = 26,104.98 × 10,419.54
  4. Step 4: Simplify right side
    18,916.84x = 272,001,824.49
  5. Step 5: Solve for x
    x = 272,001,824.49/18,916.84
  6. Step 6: Final answer
    x = 14,378.82

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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.