Home / 10,243.40-15,365.63-5,865.08

Finding the Fourth Proportional to 10,243.40, 15,365.63 and 5,865.08

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Solution

The fourth proportional to 10,243.40, 15,365.63 and 5,865.08 is: 8,797.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,243.40 : 15,365.63 = 5,865.08 : x
  2. Step 2: Convert to fraction form
    10,243.40/15,365.63 = 5,865.08/x
  3. Step 3: Cross multiply
    10,243.40x = 15,365.63 × 5,865.08
  4. Step 4: Simplify right side
    10,243.40x = 90,120,587.03
  5. Step 5: Solve for x
    x = 90,120,587.03/10,243.40
  6. Step 6: Final answer
    x = 8,797.92

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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.