Home / 11,259.49-15,538.16-6,155.02

Finding the Fourth Proportional to 11,259.49, 15,538.16 and 6,155.02

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Solution

The fourth proportional to 11,259.49, 15,538.16 and 6,155.02 is: 8,493.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,259.49 : 15,538.16 = 6,155.02 : x
  2. Step 2: Convert to fraction form
    11,259.49/15,538.16 = 6,155.02/x
  3. Step 3: Cross multiply
    11,259.49x = 15,538.16 × 6,155.02
  4. Step 4: Simplify right side
    11,259.49x = 95,637,685.56
  5. Step 5: Solve for x
    x = 95,637,685.56/11,259.49
  6. Step 6: Final answer
    x = 8,493.96

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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.