Home / 15,821.80-23,732.70-8,895.40

Finding the Fourth Proportional to 15,821.80, 23,732.70 and 8,895.40

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Solution

The fourth proportional to 15,821.80, 23,732.70 and 8,895.40 is: 13,343.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,821.80 : 23,732.70 = 8,895.40 : x
  2. Step 2: Convert to fraction form
    15,821.80/23,732.70 = 8,895.40/x
  3. Step 3: Cross multiply
    15,821.80x = 23,732.70 × 8,895.40
  4. Step 4: Simplify right side
    15,821.80x = 211,111,859.58
  5. Step 5: Solve for x
    x = 211,111,859.58/15,821.80
  6. Step 6: Final answer
    x = 13,343.10

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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.