Home / 14,350.76-19,804.28-7,890.67

Finding the Fourth Proportional to 14,350.76, 19,804.28 and 7,890.67

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Solution

The fourth proportional to 14,350.76, 19,804.28 and 7,890.67 is: 10,889.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,350.76 : 19,804.28 = 7,890.67 : x
  2. Step 2: Convert to fraction form
    14,350.76/19,804.28 = 7,890.67/x
  3. Step 3: Cross multiply
    14,350.76x = 19,804.28 × 7,890.67
  4. Step 4: Simplify right side
    14,350.76x = 156,268,939.05
  5. Step 5: Solve for x
    x = 156,268,939.05/14,350.76
  6. Step 6: Final answer
    x = 10,889.25

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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.