Home / 19,359.67-26,724.50-13,080.55

Finding the Fourth Proportional to 19,359.67, 26,724.50 and 13,080.55

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Solution

The fourth proportional to 19,359.67, 26,724.50 and 13,080.55 is: 18,056.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,359.67 : 26,724.50 = 13,080.55 : x
  2. Step 2: Convert to fraction form
    19,359.67/26,724.50 = 13,080.55/x
  3. Step 3: Cross multiply
    19,359.67x = 26,724.50 × 13,080.55
  4. Step 4: Simplify right side
    19,359.67x = 349,571,158.48
  5. Step 5: Solve for x
    x = 349,571,158.48/19,359.67
  6. Step 6: Final answer
    x = 18,056.67

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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.