Home / 12,269.29-16,931.26-6,818.34

Finding the Fourth Proportional to 12,269.29, 16,931.26 and 6,818.34

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Solution

The fourth proportional to 12,269.29, 16,931.26 and 6,818.34 is: 9,409.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,269.29 : 16,931.26 = 6,818.34 : x
  2. Step 2: Convert to fraction form
    12,269.29/16,931.26 = 6,818.34/x
  3. Step 3: Cross multiply
    12,269.29x = 16,931.26 × 6,818.34
  4. Step 4: Simplify right side
    12,269.29x = 115,443,116.71
  5. Step 5: Solve for x
    x = 115,443,116.71/12,269.29
  6. Step 6: Final answer
    x = 9,409.11

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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.