Home / 19,311.06-26,643.06-10,811.93

Finding the Fourth Proportional to 19,311.06, 26,643.06 and 10,811.93

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Solution

The fourth proportional to 19,311.06, 26,643.06 and 10,811.93 is: 14,916.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,311.06 : 26,643.06 = 10,811.93 : x
  2. Step 2: Convert to fraction form
    19,311.06/26,643.06 = 10,811.93/x
  3. Step 3: Cross multiply
    19,311.06x = 26,643.06 × 10,811.93
  4. Step 4: Simplify right side
    19,311.06x = 288,062,899.71
  5. Step 5: Solve for x
    x = 288,062,899.71/19,311.06
  6. Step 6: Final answer
    x = 14,916.99

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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.