Home / 14,778.48-20,385.24-10,064.88

Finding the Fourth Proportional to 14,778.48, 20,385.24 and 10,064.88

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Solution

The fourth proportional to 14,778.48, 20,385.24 and 10,064.88 is: 13,883.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,778.48 : 20,385.24 = 10,064.88 : x
  2. Step 2: Convert to fraction form
    14,778.48/20,385.24 = 10,064.88/x
  3. Step 3: Cross multiply
    14,778.48x = 20,385.24 × 10,064.88
  4. Step 4: Simplify right side
    14,778.48x = 205,174,994.37
  5. Step 5: Solve for x
    x = 205,174,994.37/14,778.48
  6. Step 6: Final answer
    x = 13,883.36

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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.