Home / 14,070.60-21,088.26-12,311.46

Finding the Fourth Proportional to 14,070.60, 21,088.26 and 12,311.46

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Solution

The fourth proportional to 14,070.60, 21,088.26 and 12,311.46 is: 18,451.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,070.60 : 21,088.26 = 12,311.46 : x
  2. Step 2: Convert to fraction form
    14,070.60/21,088.26 = 12,311.46/x
  3. Step 3: Cross multiply
    14,070.60x = 21,088.26 × 12,311.46
  4. Step 4: Simplify right side
    14,070.60x = 259,627,269.46
  5. Step 5: Solve for x
    x = 259,627,269.46/14,070.60
  6. Step 6: Final answer
    x = 18,451.76

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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.