Home / 10,354.24-15,483.66-7,690.86

Finding the Fourth Proportional to 10,354.24, 15,483.66 and 7,690.86

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Solution

The fourth proportional to 10,354.24, 15,483.66 and 7,690.86 is: 11,500.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,354.24 : 15,483.66 = 7,690.86 : x
  2. Step 2: Convert to fraction form
    10,354.24/15,483.66 = 7,690.86/x
  3. Step 3: Cross multiply
    10,354.24x = 15,483.66 × 7,690.86
  4. Step 4: Simplify right side
    10,354.24x = 119,082,661.35
  5. Step 5: Solve for x
    x = 119,082,661.35/10,354.24
  6. Step 6: Final answer
    x = 11,500.86

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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.