Home / 13,444.89-18,553.35-7,477.11

Finding the Fourth Proportional to 13,444.89, 18,553.35 and 7,477.11

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Solution

The fourth proportional to 13,444.89, 18,553.35 and 7,477.11 is: 10,318.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444.89 : 18,553.35 = 7,477.11 : x
  2. Step 2: Convert to fraction form
    13,444.89/18,553.35 = 7,477.11/x
  3. Step 3: Cross multiply
    13,444.89x = 18,553.35 × 7,477.11
  4. Step 4: Simplify right side
    13,444.89x = 138,725,466.86
  5. Step 5: Solve for x
    x = 138,725,466.86/13,444.89
  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.