Home / 19,378.77-26,750.83-13,099.65

Finding the Fourth Proportional to 19,378.77, 26,750.83 and 13,099.65

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Solution

The fourth proportional to 19,378.77, 26,750.83 and 13,099.65 is: 18,083.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,378.77 : 26,750.83 = 13,099.65 : x
  2. Step 2: Convert to fraction form
    19,378.77/26,750.83 = 13,099.65/x
  3. Step 3: Cross multiply
    19,378.77x = 26,750.83 × 13,099.65
  4. Step 4: Simplify right side
    19,378.77x = 350,426,510.21
  5. Step 5: Solve for x
    x = 350,426,510.21/19,378.77
  6. Step 6: Final answer
    x = 18,083.01

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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.