Home / 14,670.60-20,246.10-8,705.80

Finding the Fourth Proportional to 14,670.60, 20,246.10 and 8,705.80

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Solution

The fourth proportional to 14,670.60, 20,246.10 and 8,705.80 is: 12,014.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,670.60 : 20,246.10 = 8,705.80 : x
  2. Step 2: Convert to fraction form
    14,670.60/20,246.10 = 8,705.80/x
  3. Step 3: Cross multiply
    14,670.60x = 20,246.10 × 8,705.80
  4. Step 4: Simplify right side
    14,670.60x = 176,258,497.38
  5. Step 5: Solve for x
    x = 176,258,497.38/14,670.60
  6. Step 6: Final answer
    x = 12,014.40

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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.