Home / 15,431.60-23,165.40-8,044.40

Finding the Fourth Proportional to 15,431.60, 23,165.40 and 8,044.40

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Solution

The fourth proportional to 15,431.60, 23,165.40 and 8,044.40 is: 12,075.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,431.60 : 23,165.40 = 8,044.40 : x
  2. Step 2: Convert to fraction form
    15,431.60/23,165.40 = 8,044.40/x
  3. Step 3: Cross multiply
    15,431.60x = 23,165.40 × 8,044.40
  4. Step 4: Simplify right side
    15,431.60x = 186,351,743.76
  5. Step 5: Solve for x
    x = 186,351,743.76/15,431.60
  6. Step 6: Final answer
    x = 12,075.98

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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.