Home / 12,558.24-17,330.24-6,969.28

Finding the Fourth Proportional to 12,558.24, 17,330.24 and 6,969.28

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Solution

The fourth proportional to 12,558.24, 17,330.24 and 6,969.28 is: 9,617.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,558.24 : 17,330.24 = 6,969.28 : x
  2. Step 2: Convert to fraction form
    12,558.24/17,330.24 = 6,969.28/x
  3. Step 3: Cross multiply
    12,558.24x = 17,330.24 × 6,969.28
  4. Step 4: Simplify right side
    12,558.24x = 120,779,295.03
  5. Step 5: Solve for x
    x = 120,779,295.03/12,558.24
  6. Step 6: Final answer
    x = 9,617.53

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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.