Home / 15,364.84-21,200.10-9,073.96

Finding the Fourth Proportional to 15,364.84, 21,200.10 and 9,073.96

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Solution

The fourth proportional to 15,364.84, 21,200.10 and 9,073.96 is: 12,520.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,364.84 : 21,200.10 = 9,073.96 : x
  2. Step 2: Convert to fraction form
    15,364.84/21,200.10 = 9,073.96/x
  3. Step 3: Cross multiply
    15,364.84x = 21,200.10 × 9,073.96
  4. Step 4: Simplify right side
    15,364.84x = 192,368,859.40
  5. Step 5: Solve for x
    x = 192,368,859.40/15,364.84
  6. Step 6: Final answer
    x = 12,520.07

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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.