Home / 10,554.54-14,571.90-6,779.23

Finding the Fourth Proportional to 10,554.54, 14,571.90 and 6,779.23

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Solution

The fourth proportional to 10,554.54, 14,571.90 and 6,779.23 is: 9,359.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,554.54 : 14,571.90 = 6,779.23 : x
  2. Step 2: Convert to fraction form
    10,554.54/14,571.90 = 6,779.23/x
  3. Step 3: Cross multiply
    10,554.54x = 14,571.90 × 6,779.23
  4. Step 4: Simplify right side
    10,554.54x = 98,786,261.64
  5. Step 5: Solve for x
    x = 98,786,261.64/10,554.54
  6. Step 6: Final answer
    x = 9,359.60

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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.