Home / 15,543.80-23,323.80-6,779.60

Finding the Fourth Proportional to 15,543.80, 23,323.80 and 6,779.60

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Solution

The fourth proportional to 15,543.80, 23,323.80 and 6,779.60 is: 10,172.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,543.80 : 23,323.80 = 6,779.60 : x
  2. Step 2: Convert to fraction form
    15,543.80/23,323.80 = 6,779.60/x
  3. Step 3: Cross multiply
    15,543.80x = 23,323.80 × 6,779.60
  4. Step 4: Simplify right side
    15,543.80x = 158,126,034.48
  5. Step 5: Solve for x
    x = 158,126,034.48/15,543.80
  6. Step 6: Final answer
    x = 10,172.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.