Home / 15,333.84-21,162.65-9,364.25

Finding the Fourth Proportional to 15,333.84, 21,162.65 and 9,364.25

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Solution

The fourth proportional to 15,333.84, 21,162.65 and 9,364.25 is: 12,923.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,333.84 : 21,162.65 = 9,364.25 : x
  2. Step 2: Convert to fraction form
    15,333.84/21,162.65 = 9,364.25/x
  3. Step 3: Cross multiply
    15,333.84x = 21,162.65 × 9,364.25
  4. Step 4: Simplify right side
    15,333.84x = 198,172,192.63
  5. Step 5: Solve for x
    x = 198,172,192.63/15,333.84
  6. Step 6: Final answer
    x = 12,923.85

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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.