Home / 14,054.10-21,117.60-12,450.30

Finding the Fourth Proportional to 14,054.10, 21,117.60 and 12,450.30

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Solution

The fourth proportional to 14,054.10, 21,117.60 and 12,450.30 is: 18,707.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,054.10 : 21,117.60 = 12,450.30 : x
  2. Step 2: Convert to fraction form
    14,054.10/21,117.60 = 12,450.30/x
  3. Step 3: Cross multiply
    14,054.10x = 21,117.60 × 12,450.30
  4. Step 4: Simplify right side
    14,054.10x = 262,920,455.28
  5. Step 5: Solve for x
    x = 262,920,455.28/14,054.10
  6. Step 6: Final answer
    x = 18,707.74

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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.