Home / 10,224.38-15,325.63-5,289.05

Finding the Fourth Proportional to 10,224.38, 15,325.63 and 5,289.05

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Solution

The fourth proportional to 10,224.38, 15,325.63 and 5,289.05 is: 7,927.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,224.38 : 15,325.63 = 5,289.05 : x
  2. Step 2: Convert to fraction form
    10,224.38/15,325.63 = 5,289.05/x
  3. Step 3: Cross multiply
    10,224.38x = 15,325.63 × 5,289.05
  4. Step 4: Simplify right side
    10,224.38x = 81,058,023.35
  5. Step 5: Solve for x
    x = 81,058,023.35/10,224.38
  6. Step 6: Final answer
    x = 7,927.92

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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.