Home / 9,014.88-12,445.20-6,215.52

Finding the Fourth Proportional to 9,014.88, 12,445.20 and 6,215.52

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Solution

The fourth proportional to 9,014.88, 12,445.20 and 6,215.52 is: 8,580.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,014.88 : 12,445.20 = 6,215.52 : x
  2. Step 2: Convert to fraction form
    9,014.88/12,445.20 = 6,215.52/x
  3. Step 3: Cross multiply
    9,014.88x = 12,445.20 × 6,215.52
  4. Step 4: Simplify right side
    9,014.88x = 77,353,389.50
  5. Step 5: Solve for x
    x = 77,353,389.50/9,014.88
  6. Step 6: Final answer
    x = 8,580.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.