Home / 9,778.26-14,660.10-6,650.40

Finding the Fourth Proportional to 9,778.26, 14,660.10 and 6,650.40

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Solution

The fourth proportional to 9,778.26, 14,660.10 and 6,650.40 is: 9,970.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,778.26 : 14,660.10 = 6,650.40 : x
  2. Step 2: Convert to fraction form
    9,778.26/14,660.10 = 6,650.40/x
  3. Step 3: Cross multiply
    9,778.26x = 14,660.10 × 6,650.40
  4. Step 4: Simplify right side
    9,778.26x = 97,495,529.04
  5. Step 5: Solve for x
    x = 97,495,529.04/9,778.26
  6. Step 6: Final answer
    x = 9,970.64

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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.