Home / 10,285.64-15,427.95-3,622.47

Finding the Fourth Proportional to 10,285.64, 15,427.95 and 3,622.47

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Solution

The fourth proportional to 10,285.64, 15,427.95 and 3,622.47 is: 5,433.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,285.64 : 15,427.95 = 3,622.47 : x
  2. Step 2: Convert to fraction form
    10,285.64/15,427.95 = 3,622.47/x
  3. Step 3: Cross multiply
    10,285.64x = 15,427.95 × 3,622.47
  4. Step 4: Simplify right side
    10,285.64x = 55,887,278.36
  5. Step 5: Solve for x
    x = 55,887,278.36/10,285.64
  6. Step 6: Final answer
    x = 5,433.52

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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.