Home / 10,977.24-15,148.83-6,499.35

Finding the Fourth Proportional to 10,977.24, 15,148.83 and 6,499.35

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Solution

The fourth proportional to 10,977.24, 15,148.83 and 6,499.35 is: 8,969.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,977.24 : 15,148.83 = 6,499.35 : x
  2. Step 2: Convert to fraction form
    10,977.24/15,148.83 = 6,499.35/x
  3. Step 3: Cross multiply
    10,977.24x = 15,148.83 × 6,499.35
  4. Step 4: Simplify right side
    10,977.24x = 98,457,548.26
  5. Step 5: Solve for x
    x = 98,457,548.26/10,977.24
  6. Step 6: Final answer
    x = 8,969.24

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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.