Home / 13,054.53-19,588.55-6,480.57

Finding the Fourth Proportional to 13,054.53, 19,588.55 and 6,480.57

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Solution

The fourth proportional to 13,054.53, 19,588.55 and 6,480.57 is: 9,724.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,054.53 : 19,588.55 = 6,480.57 : x
  2. Step 2: Convert to fraction form
    13,054.53/19,588.55 = 6,480.57/x
  3. Step 3: Cross multiply
    13,054.53x = 19,588.55 × 6,480.57
  4. Step 4: Simplify right side
    13,054.53x = 126,944,937.07
  5. Step 5: Solve for x
    x = 126,944,937.07/13,054.53
  6. Step 6: Final answer
    x = 9,724.21

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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.