Home / 15,575.84-23,370.62-8,178.58

Finding the Fourth Proportional to 15,575.84, 23,370.62 and 8,178.58

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Solution

The fourth proportional to 15,575.84, 23,370.62 and 8,178.58 is: 12,271.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,575.84 : 23,370.62 = 8,178.58 : x
  2. Step 2: Convert to fraction form
    15,575.84/23,370.62 = 8,178.58/x
  3. Step 3: Cross multiply
    15,575.84x = 23,370.62 × 8,178.58
  4. Step 4: Simplify right side
    15,575.84x = 191,138,485.32
  5. Step 5: Solve for x
    x = 191,138,485.32/15,575.84
  6. Step 6: Final answer
    x = 12,271.47

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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.