Home / 10,069.90-13,898.45-6,433.62

Finding the Fourth Proportional to 10,069.90, 13,898.45 and 6,433.62

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Solution

The fourth proportional to 10,069.90, 13,898.45 and 6,433.62 is: 8,879.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,069.90 : 13,898.45 = 6,433.62 : x
  2. Step 2: Convert to fraction form
    10,069.90/13,898.45 = 6,433.62/x
  3. Step 3: Cross multiply
    10,069.90x = 13,898.45 × 6,433.62
  4. Step 4: Simplify right side
    10,069.90x = 89,417,345.89
  5. Step 5: Solve for x
    x = 89,417,345.89/10,069.90
  6. Step 6: Final answer
    x = 8,879.67

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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.