Home / 11,165.82-15,409.40-6,130.01

Finding the Fourth Proportional to 11,165.82, 15,409.40 and 6,130.01

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Solution

The fourth proportional to 11,165.82, 15,409.40 and 6,130.01 is: 8,459.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,165.82 : 15,409.40 = 6,130.01 : x
  2. Step 2: Convert to fraction form
    11,165.82/15,409.40 = 6,130.01/x
  3. Step 3: Cross multiply
    11,165.82x = 15,409.40 × 6,130.01
  4. Step 4: Simplify right side
    11,165.82x = 94,459,726.18
  5. Step 5: Solve for x
    x = 94,459,726.18/11,165.82
  6. Step 6: Final answer
    x = 8,459.72

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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.