Home / 10,909.53-15,054.48-6,130.13

Finding the Fourth Proportional to 10,909.53, 15,054.48 and 6,130.13

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Solution

The fourth proportional to 10,909.53, 15,054.48 and 6,130.13 is: 8,459.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,909.53 : 15,054.48 = 6,130.13 : x
  2. Step 2: Convert to fraction form
    10,909.53/15,054.48 = 6,130.13/x
  3. Step 3: Cross multiply
    10,909.53x = 15,054.48 × 6,130.13
  4. Step 4: Simplify right side
    10,909.53x = 92,285,844.21
  5. Step 5: Solve for x
    x = 92,285,844.21/10,909.53
  6. Step 6: Final answer
    x = 8,459.20

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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.