Home / 10,539.80-15,818.57-5,273.24

Finding the Fourth Proportional to 10,539.80, 15,818.57 and 5,273.24

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Solution

The fourth proportional to 10,539.80, 15,818.57 and 5,273.24 is: 7,914.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,539.80 : 15,818.57 = 5,273.24 : x
  2. Step 2: Convert to fraction form
    10,539.80/15,818.57 = 5,273.24/x
  3. Step 3: Cross multiply
    10,539.80x = 15,818.57 × 5,273.24
  4. Step 4: Simplify right side
    10,539.80x = 83,415,116.07
  5. Step 5: Solve for x
    x = 83,415,116.07/10,539.80
  6. Step 6: Final answer
    x = 7,914.30

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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.