Home / 12,559.23-17,332.60-8,302.91

Finding the Fourth Proportional to 12,559.23, 17,332.60 and 8,302.91

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Solution

The fourth proportional to 12,559.23, 17,332.60 and 8,302.91 is: 11,458.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,559.23 : 17,332.60 = 8,302.91 : x
  2. Step 2: Convert to fraction form
    12,559.23/17,332.60 = 8,302.91/x
  3. Step 3: Cross multiply
    12,559.23x = 17,332.60 × 8,302.91
  4. Step 4: Simplify right side
    12,559.23x = 143,910,889.69
  5. Step 5: Solve for x
    x = 143,910,889.69/12,559.23
  6. Step 6: Final answer
    x = 11,458.58

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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.