Home / 12,531.51-18,798.48-4,636.13

Finding the Fourth Proportional to 12,531.51, 18,798.48 and 4,636.13

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Solution

The fourth proportional to 12,531.51, 18,798.48 and 4,636.13 is: 6,954.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,531.51 : 18,798.48 = 4,636.13 : x
  2. Step 2: Convert to fraction form
    12,531.51/18,798.48 = 4,636.13/x
  3. Step 3: Cross multiply
    12,531.51x = 18,798.48 × 4,636.13
  4. Step 4: Simplify right side
    12,531.51x = 87,152,103.09
  5. Step 5: Solve for x
    x = 87,152,103.09/12,531.51
  6. Step 6: Final answer
    x = 6,954.64

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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.