Home / 14,269.65-19,647.39-12,957.45

Finding the Fourth Proportional to 14,269.65, 19,647.39 and 12,957.45

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Solution

The fourth proportional to 14,269.65, 19,647.39 and 12,957.45 is: 17,840.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,269.65 : 19,647.39 = 12,957.45 : x
  2. Step 2: Convert to fraction form
    14,269.65/19,647.39 = 12,957.45/x
  3. Step 3: Cross multiply
    14,269.65x = 19,647.39 × 12,957.45
  4. Step 4: Simplify right side
    14,269.65x = 254,580,073.56
  5. Step 5: Solve for x
    x = 254,580,073.56/14,269.65
  6. Step 6: Final answer
    x = 17,840.67

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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.