Home / 12,243.95-16,897.37-6,866.13

Finding the Fourth Proportional to 12,243.95, 16,897.37 and 6,866.13

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Solution

The fourth proportional to 12,243.95, 16,897.37 and 6,866.13 is: 9,475.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,243.95 : 16,897.37 = 6,866.13 : x
  2. Step 2: Convert to fraction form
    12,243.95/16,897.37 = 6,866.13/x
  3. Step 3: Cross multiply
    12,243.95x = 16,897.37 × 6,866.13
  4. Step 4: Simplify right side
    12,243.95x = 116,019,539.08
  5. Step 5: Solve for x
    x = 116,019,539.08/12,243.95
  6. Step 6: Final answer
    x = 9,475.66

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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.