Home / 9,014.40-12,430.32-6,185.90

Finding the Fourth Proportional to 9,014.40, 12,430.32 and 6,185.90

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Solution

The fourth proportional to 9,014.40, 12,430.32 and 6,185.90 is: 8,529.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,014.40 : 12,430.32 = 6,185.90 : x
  2. Step 2: Convert to fraction form
    9,014.40/12,430.32 = 6,185.90/x
  3. Step 3: Cross multiply
    9,014.40x = 12,430.32 × 6,185.90
  4. Step 4: Simplify right side
    9,014.40x = 76,892,654.34
  5. Step 5: Solve for x
    x = 76,892,654.34/9,014.40
  6. Step 6: Final answer
    x = 8,529.98

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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.