Home / 11,346.08-15,641.04-7,365.68

Finding the Fourth Proportional to 11,346.08, 15,641.04 and 7,365.68

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Solution

The fourth proportional to 11,346.08, 15,641.04 and 7,365.68 is: 10,153.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,346.08 : 15,641.04 = 7,365.68 : x
  2. Step 2: Convert to fraction form
    11,346.08/15,641.04 = 7,365.68/x
  3. Step 3: Cross multiply
    11,346.08x = 15,641.04 × 7,365.68
  4. Step 4: Simplify right side
    11,346.08x = 115,206,895.51
  5. Step 5: Solve for x
    x = 115,206,895.51/11,346.08
  6. Step 6: Final answer
    x = 10,153.89

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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.