Home / 10,580.09-15,870.64-8,727.77

Finding the Fourth Proportional to 10,580.09, 15,870.64 and 8,727.77

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Solution

The fourth proportional to 10,580.09, 15,870.64 and 8,727.77 is: 13,092.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,580.09 : 15,870.64 = 8,727.77 : x
  2. Step 2: Convert to fraction form
    10,580.09/15,870.64 = 8,727.77/x
  3. Step 3: Cross multiply
    10,580.09x = 15,870.64 × 8,727.77
  4. Step 4: Simplify right side
    10,580.09x = 138,515,346.26
  5. Step 5: Solve for x
    x = 138,515,346.26/10,580.09
  6. Step 6: Final answer
    x = 13,092.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.