Home / 10,237.23-15,358.28-5,309.19

Finding the Fourth Proportional to 10,237.23, 15,358.28 and 5,309.19

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Solution

The fourth proportional to 10,237.23, 15,358.28 and 5,309.19 is: 7,965.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,237.23 : 15,358.28 = 5,309.19 : x
  2. Step 2: Convert to fraction form
    10,237.23/15,358.28 = 5,309.19/x
  3. Step 3: Cross multiply
    10,237.23x = 15,358.28 × 5,309.19
  4. Step 4: Simplify right side
    10,237.23x = 81,540,000.05
  5. Step 5: Solve for x
    x = 81,540,000.05/10,237.23
  6. Step 6: Final answer
    x = 7,965.05

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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.