Home / 10,455.99-14,429.30-5,979.77

Finding the Fourth Proportional to 10,455.99, 14,429.30 and 5,979.77

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Solution

The fourth proportional to 10,455.99, 14,429.30 and 5,979.77 is: 8,252.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,455.99 : 14,429.30 = 5,979.77 : x
  2. Step 2: Convert to fraction form
    10,455.99/14,429.30 = 5,979.77/x
  3. Step 3: Cross multiply
    10,455.99x = 14,429.30 × 5,979.77
  4. Step 4: Simplify right side
    10,455.99x = 86,283,970.54
  5. Step 5: Solve for x
    x = 86,283,970.54/10,455.99
  6. Step 6: Final answer
    x = 8,252.11

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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.