Home / 19,115.06-26,378.87-10,617.35

Finding the Fourth Proportional to 19,115.06, 26,378.87 and 10,617.35

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Solution

The fourth proportional to 19,115.06, 26,378.87 and 10,617.35 is: 14,651.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,115.06 : 26,378.87 = 10,617.35 : x
  2. Step 2: Convert to fraction form
    19,115.06/26,378.87 = 10,617.35/x
  3. Step 3: Cross multiply
    19,115.06x = 26,378.87 × 10,617.35
  4. Step 4: Simplify right side
    19,115.06x = 280,073,510.41
  5. Step 5: Solve for x
    x = 280,073,510.41/19,115.06
  6. Step 6: Final answer
    x = 14,651.99

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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.