Home / 15,575.85-23,370.61-8,178.59

Finding the Fourth Proportional to 15,575.85, 23,370.61 and 8,178.59

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Solution

The fourth proportional to 15,575.85, 23,370.61 and 8,178.59 is: 12,271.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,575.85 : 23,370.61 = 8,178.59 : x
  2. Step 2: Convert to fraction form
    15,575.85/23,370.61 = 8,178.59/x
  3. Step 3: Cross multiply
    15,575.85x = 23,370.61 × 8,178.59
  4. Step 4: Simplify right side
    15,575.85x = 191,138,637.24
  5. Step 5: Solve for x
    x = 191,138,637.24/15,575.85
  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.