Home / 19,359.46-26,715.72-10,861.75

Finding the Fourth Proportional to 19,359.46, 26,715.72 and 10,861.75

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Solution

The fourth proportional to 19,359.46, 26,715.72 and 10,861.75 is: 14,989.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,359.46 : 26,715.72 = 10,861.75 : x
  2. Step 2: Convert to fraction form
    19,359.46/26,715.72 = 10,861.75/x
  3. Step 3: Cross multiply
    19,359.46x = 26,715.72 × 10,861.75
  4. Step 4: Simplify right side
    19,359.46x = 290,179,471.71
  5. Step 5: Solve for x
    x = 290,179,471.71/19,359.46
  6. Step 6: Final answer
    x = 14,989.03

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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.