Home / 14,148.57-21,200.70-8,943.51

Finding the Fourth Proportional to 14,148.57, 21,200.70 and 8,943.51

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Solution

The fourth proportional to 14,148.57, 21,200.70 and 8,943.51 is: 13,401.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,148.57 : 21,200.70 = 8,943.51 : x
  2. Step 2: Convert to fraction form
    14,148.57/21,200.70 = 8,943.51/x
  3. Step 3: Cross multiply
    14,148.57x = 21,200.70 × 8,943.51
  4. Step 4: Simplify right side
    14,148.57x = 189,608,672.46
  5. Step 5: Solve for x
    x = 189,608,672.46/14,148.57
  6. Step 6: Final answer
    x = 13,401.26

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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.