Home / 19,303.09-26,638.37-10,919.41

Finding the Fourth Proportional to 19,303.09, 26,638.37 and 10,919.41

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Solution

The fourth proportional to 19,303.09, 26,638.37 and 10,919.41 is: 15,068.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,303.09 : 26,638.37 = 10,919.41 : x
  2. Step 2: Convert to fraction form
    19,303.09/26,638.37 = 10,919.41/x
  3. Step 3: Cross multiply
    19,303.09x = 26,638.37 × 10,919.41
  4. Step 4: Simplify right side
    19,303.09x = 290,875,283.76
  5. Step 5: Solve for x
    x = 290,875,283.76/19,303.09
  6. Step 6: Final answer
    x = 15,068.85

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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.