Home / 10,235.08-14,105.90-7,699.98

Finding the Fourth Proportional to 10,235.08, 14,105.90 and 7,699.98

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Solution

The fourth proportional to 10,235.08, 14,105.90 and 7,699.98 is: 10,612.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,235.08 : 14,105.90 = 7,699.98 : x
  2. Step 2: Convert to fraction form
    10,235.08/14,105.90 = 7,699.98/x
  3. Step 3: Cross multiply
    10,235.08x = 14,105.90 × 7,699.98
  4. Step 4: Simplify right side
    10,235.08x = 108,615,147.88
  5. Step 5: Solve for x
    x = 108,615,147.88/10,235.08
  6. Step 6: Final answer
    x = 10,612.05

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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.