Home / 14,990.40-22,485.60-8,416.44

Finding the Fourth Proportional to 14,990.40, 22,485.60 and 8,416.44

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Solution

The fourth proportional to 14,990.40, 22,485.60 and 8,416.44 is: 12,624.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,990.40 : 22,485.60 = 8,416.44 : x
  2. Step 2: Convert to fraction form
    14,990.40/22,485.60 = 8,416.44/x
  3. Step 3: Cross multiply
    14,990.40x = 22,485.60 × 8,416.44
  4. Step 4: Simplify right side
    14,990.40x = 189,248,703.26
  5. Step 5: Solve for x
    x = 189,248,703.26/14,990.40
  6. Step 6: Final answer
    x = 12,624.66

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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.