Home / 13,444.48-18,554.49-7,477.30

Finding the Fourth Proportional to 13,444.48, 18,554.49 and 7,477.30

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Solution

The fourth proportional to 13,444.48, 18,554.49 and 7,477.30 is: 10,319.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,444.48 : 18,554.49 = 7,477.30 : x
  2. Step 2: Convert to fraction form
    13,444.48/18,554.49 = 7,477.30/x
  3. Step 3: Cross multiply
    13,444.48x = 18,554.49 × 7,477.30
  4. Step 4: Simplify right side
    13,444.48x = 138,737,488.08
  5. Step 5: Solve for x
    x = 138,737,488.08/13,444.48
  6. Step 6: Final answer
    x = 10,319.29

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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.