Home / 10,318.80-14,234.60-6,535.60

Finding the Fourth Proportional to 10,318.80, 14,234.60 and 6,535.60

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Solution

The fourth proportional to 10,318.80, 14,234.60 and 6,535.60 is: 9,015.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,318.80 : 14,234.60 = 6,535.60 : x
  2. Step 2: Convert to fraction form
    10,318.80/14,234.60 = 6,535.60/x
  3. Step 3: Cross multiply
    10,318.80x = 14,234.60 × 6,535.60
  4. Step 4: Simplify right side
    10,318.80x = 93,031,651.76
  5. Step 5: Solve for x
    x = 93,031,651.76/10,318.80
  6. Step 6: Final answer
    x = 9,015.74

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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.