Home / 15,948.40-23,922.60-8,075.20

Finding the Fourth Proportional to 15,948.40, 23,922.60 and 8,075.20

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Solution

The fourth proportional to 15,948.40, 23,922.60 and 8,075.20 is: 12,112.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,948.40 : 23,922.60 = 8,075.20 : x
  2. Step 2: Convert to fraction form
    15,948.40/23,922.60 = 8,075.20/x
  3. Step 3: Cross multiply
    15,948.40x = 23,922.60 × 8,075.20
  4. Step 4: Simplify right side
    15,948.40x = 193,179,779.52
  5. Step 5: Solve for x
    x = 193,179,779.52/15,948.40
  6. Step 6: Final answer
    x = 12,112.80

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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.