Home / 12,134.18-16,746.78-6,830.03

Finding the Fourth Proportional to 12,134.18, 16,746.78 and 6,830.03

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Solution

The fourth proportional to 12,134.18, 16,746.78 and 6,830.03 is: 9,426.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,134.18 : 16,746.78 = 6,830.03 : x
  2. Step 2: Convert to fraction form
    12,134.18/16,746.78 = 6,830.03/x
  3. Step 3: Cross multiply
    12,134.18x = 16,746.78 × 6,830.03
  4. Step 4: Simplify right side
    12,134.18x = 114,381,009.80
  5. Step 5: Solve for x
    x = 114,381,009.80/12,134.18
  6. Step 6: Final answer
    x = 9,426.35

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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.