Home / 10,438.98-14,405.85-5,658.96

Finding the Fourth Proportional to 10,438.98, 14,405.85 and 5,658.96

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Solution

The fourth proportional to 10,438.98, 14,405.85 and 5,658.96 is: 7,809.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,438.98 : 14,405.85 = 5,658.96 : x
  2. Step 2: Convert to fraction form
    10,438.98/14,405.85 = 5,658.96/x
  3. Step 3: Cross multiply
    10,438.98x = 14,405.85 × 5,658.96
  4. Step 4: Simplify right side
    10,438.98x = 81,522,128.92
  5. Step 5: Solve for x
    x = 81,522,128.92/10,438.98
  6. Step 6: Final answer
    x = 7,809.40

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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.