Home / 12,749.85-17,587.67-8,025.93

Finding the Fourth Proportional to 12,749.85, 17,587.67 and 8,025.93

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Solution

The fourth proportional to 12,749.85, 17,587.67 and 8,025.93 is: 11,071.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,749.85 : 17,587.67 = 8,025.93 : x
  2. Step 2: Convert to fraction form
    12,749.85/17,587.67 = 8,025.93/x
  3. Step 3: Cross multiply
    12,749.85x = 17,587.67 × 8,025.93
  4. Step 4: Simplify right side
    12,749.85x = 141,157,368.15
  5. Step 5: Solve for x
    x = 141,157,368.15/12,749.85
  6. Step 6: Final answer
    x = 11,071.30

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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.