Home / 8,945.63-13,423.23-6,869.35

Finding the Fourth Proportional to 8,945.63, 13,423.23 and 6,869.35

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Solution

The fourth proportional to 8,945.63, 13,423.23 and 6,869.35 is: 10,307.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,945.63 : 13,423.23 = 6,869.35 : x
  2. Step 2: Convert to fraction form
    8,945.63/13,423.23 = 6,869.35/x
  3. Step 3: Cross multiply
    8,945.63x = 13,423.23 × 6,869.35
  4. Step 4: Simplify right side
    8,945.63x = 92,208,763.54
  5. Step 5: Solve for x
    x = 92,208,763.54/8,945.63
  6. Step 6: Final answer
    x = 10,307.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.