Home / 10,015.09-15,008.29-5,623.32

Finding the Fourth Proportional to 10,015.09, 15,008.29 and 5,623.32

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Solution

The fourth proportional to 10,015.09, 15,008.29 and 5,623.32 is: 8,426.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,015.09 : 15,008.29 = 5,623.32 : x
  2. Step 2: Convert to fraction form
    10,015.09/15,008.29 = 5,623.32/x
  3. Step 3: Cross multiply
    10,015.09x = 15,008.29 × 5,623.32
  4. Step 4: Simplify right side
    10,015.09x = 84,396,459.55
  5. Step 5: Solve for x
    x = 84,396,459.55/10,015.09
  6. Step 6: Final answer
    x = 8,426.93

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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.