Home / 11,157.86-15,398.28-6,122.29

Finding the Fourth Proportional to 11,157.86, 15,398.28 and 6,122.29

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Solution

The fourth proportional to 11,157.86, 15,398.28 and 6,122.29 is: 8,448.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,157.86 : 15,398.28 = 6,122.29 : x
  2. Step 2: Convert to fraction form
    11,157.86/15,398.28 = 6,122.29/x
  3. Step 3: Cross multiply
    11,157.86x = 15,398.28 × 6,122.29
  4. Step 4: Simplify right side
    11,157.86x = 94,272,628.06
  5. Step 5: Solve for x
    x = 94,272,628.06/11,157.86
  6. Step 6: Final answer
    x = 8,448.99

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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.