Home / 10,419.28-14,379.08-6,437.32

Finding the Fourth Proportional to 10,419.28, 14,379.08 and 6,437.32

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Solution

The fourth proportional to 10,419.28, 14,379.08 and 6,437.32 is: 8,883.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,419.28 : 14,379.08 = 6,437.32 : x
  2. Step 2: Convert to fraction form
    10,419.28/14,379.08 = 6,437.32/x
  3. Step 3: Cross multiply
    10,419.28x = 14,379.08 × 6,437.32
  4. Step 4: Simplify right side
    10,419.28x = 92,562,739.27
  5. Step 5: Solve for x
    x = 92,562,739.27/10,419.28
  6. Step 6: Final answer
    x = 8,883.79

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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.