Home / 12,486.03-18,741.57-5,827.08

Finding the Fourth Proportional to 12,486.03, 18,741.57 and 5,827.08

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Solution

The fourth proportional to 12,486.03, 18,741.57 and 5,827.08 is: 8,746.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,486.03 : 18,741.57 = 5,827.08 : x
  2. Step 2: Convert to fraction form
    12,486.03/18,741.57 = 5,827.08/x
  3. Step 3: Cross multiply
    12,486.03x = 18,741.57 × 5,827.08
  4. Step 4: Simplify right side
    12,486.03x = 109,208,627.72
  5. Step 5: Solve for x
    x = 109,208,627.72/12,486.03
  6. Step 6: Final answer
    x = 8,746.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.