Home / 10,554.80-15,824.20-5,364.40

Finding the Fourth Proportional to 10,554.80, 15,824.20 and 5,364.40

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Solution

The fourth proportional to 10,554.80, 15,824.20 and 5,364.40 is: 8,042.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,554.80 : 15,824.20 = 5,364.40 : x
  2. Step 2: Convert to fraction form
    10,554.80/15,824.20 = 5,364.40/x
  3. Step 3: Cross multiply
    10,554.80x = 15,824.20 × 5,364.40
  4. Step 4: Simplify right side
    10,554.80x = 84,887,338.48
  5. Step 5: Solve for x
    x = 84,887,338.48/10,554.80
  6. Step 6: Final answer
    x = 8,042.53

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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.