Home / 12,116.47-16,718.91-6,810.27

Finding the Fourth Proportional to 12,116.47, 16,718.91 and 6,810.27

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Solution

The fourth proportional to 12,116.47, 16,718.91 and 6,810.27 is: 9,397.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,116.47 : 16,718.91 = 6,810.27 : x
  2. Step 2: Convert to fraction form
    12,116.47/16,718.91 = 6,810.27/x
  3. Step 3: Cross multiply
    12,116.47x = 16,718.91 × 6,810.27
  4. Step 4: Simplify right side
    12,116.47x = 113,860,291.21
  5. Step 5: Solve for x
    x = 113,860,291.21/12,116.47
  6. Step 6: Final answer
    x = 9,397.15

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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.