Home / 13,554.18-18,703.08-7,584.35

Finding the Fourth Proportional to 13,554.18, 18,703.08 and 7,584.35

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Solution

The fourth proportional to 13,554.18, 18,703.08 and 7,584.35 is: 10,465.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,554.18 : 18,703.08 = 7,584.35 : x
  2. Step 2: Convert to fraction form
    13,554.18/18,703.08 = 7,584.35/x
  3. Step 3: Cross multiply
    13,554.18x = 18,703.08 × 7,584.35
  4. Step 4: Simplify right side
    13,554.18x = 141,850,611.28
  5. Step 5: Solve for x
    x = 141,850,611.28/13,554.18
  6. Step 6: Final answer
    x = 10,465.45

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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.