Home / 13,444.86-18,554.22-7,477.08

Finding the Fourth Proportional to 13,444.86, 18,554.22 and 7,477.08

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Solution

The fourth proportional to 13,444.86, 18,554.22 and 7,477.08 is: 10,318.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444.86 : 18,554.22 = 7,477.08 : x
  2. Step 2: Convert to fraction form
    13,444.86/18,554.22 = 7,477.08/x
  3. Step 3: Cross multiply
    13,444.86x = 18,554.22 × 7,477.08
  4. Step 4: Simplify right side
    13,444.86x = 138,731,387.28
  5. Step 5: Solve for x
    x = 138,731,387.28/13,444.86
  6. Step 6: Final answer
    x = 10,318.54

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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.