Home / 9,312.51-12,851.48-5,063.81

Finding the Fourth Proportional to 9,312.51, 12,851.48 and 5,063.81

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Solution

The fourth proportional to 9,312.51, 12,851.48 and 5,063.81 is: 6,988.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,312.51 : 12,851.48 = 5,063.81 : x
  2. Step 2: Convert to fraction form
    9,312.51/12,851.48 = 5,063.81/x
  3. Step 3: Cross multiply
    9,312.51x = 12,851.48 × 5,063.81
  4. Step 4: Simplify right side
    9,312.51x = 65,077,497.73
  5. Step 5: Solve for x
    x = 65,077,497.73/9,312.51
  6. Step 6: Final answer
    x = 6,988.18

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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.