Home / 8,674.34-13,011.54-6,953.90

Finding the Fourth Proportional to 8,674.34, 13,011.54 and 6,953.90

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Solution

The fourth proportional to 8,674.34, 13,011.54 and 6,953.90 is: 10,430.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,674.34 : 13,011.54 = 6,953.90 : x
  2. Step 2: Convert to fraction form
    8,674.34/13,011.54 = 6,953.90/x
  3. Step 3: Cross multiply
    8,674.34x = 13,011.54 × 6,953.90
  4. Step 4: Simplify right side
    8,674.34x = 90,480,948.01
  5. Step 5: Solve for x
    x = 90,480,948.01/8,674.34
  6. Step 6: Final answer
    x = 10,430.87

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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.