Home / 10,448.08-14,417.68-5,731.36

Finding the Fourth Proportional to 10,448.08, 14,417.68 and 5,731.36

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Solution

The fourth proportional to 10,448.08, 14,417.68 and 5,731.36 is: 7,908.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,448.08 : 14,417.68 = 5,731.36 : x
  2. Step 2: Convert to fraction form
    10,448.08/14,417.68 = 5,731.36/x
  3. Step 3: Cross multiply
    10,448.08x = 14,417.68 × 5,731.36
  4. Step 4: Simplify right side
    10,448.08x = 82,632,914.44
  5. Step 5: Solve for x
    x = 82,632,914.44/10,448.08
  6. Step 6: Final answer
    x = 7,908.91

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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.