Home / 12,276.54-16,939.26-6,898.14

Finding the Fourth Proportional to 12,276.54, 16,939.26 and 6,898.14

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Solution

The fourth proportional to 12,276.54, 16,939.26 and 6,898.14 is: 9,518.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,276.54 : 16,939.26 = 6,898.14 : x
  2. Step 2: Convert to fraction form
    12,276.54/16,939.26 = 6,898.14/x
  3. Step 3: Cross multiply
    12,276.54x = 16,939.26 × 6,898.14
  4. Step 4: Simplify right side
    12,276.54x = 116,849,386.98
  5. Step 5: Solve for x
    x = 116,849,386.98/12,276.54
  6. Step 6: Final answer
    x = 9,518.10

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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.