Home / 13,444.61-18,553.74-7,476.80

Finding the Fourth Proportional to 13,444.61, 18,553.74 and 7,476.80

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Solution

The fourth proportional to 13,444.61, 18,553.74 and 7,476.80 is: 10,318.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444.61 : 18,553.74 = 7,476.80 : x
  2. Step 2: Convert to fraction form
    13,444.61/18,553.74 = 7,476.80/x
  3. Step 3: Cross multiply
    13,444.61x = 18,553.74 × 7,476.80
  4. Step 4: Simplify right side
    13,444.61x = 138,722,603.23
  5. Step 5: Solve for x
    x = 138,722,603.23/13,444.61
  6. Step 6: Final answer
    x = 10,318.08

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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.