Home / 14,677.60-21,994.80-12,474.40

Finding the Fourth Proportional to 14,677.60, 21,994.80 and 12,474.40

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Solution

The fourth proportional to 14,677.60, 21,994.80 and 12,474.40 is: 18,693.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,677.60 : 21,994.80 = 12,474.40 : x
  2. Step 2: Convert to fraction form
    14,677.60/21,994.80 = 12,474.40/x
  3. Step 3: Cross multiply
    14,677.60x = 21,994.80 × 12,474.40
  4. Step 4: Simplify right side
    14,677.60x = 274,371,933.12
  5. Step 5: Solve for x
    x = 274,371,933.12/14,677.60
  6. Step 6: Final answer
    x = 18,693.24

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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.