Home / 11,313.02-15,601.71-7,064.47

Finding the Fourth Proportional to 11,313.02, 15,601.71 and 7,064.47

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Solution

The fourth proportional to 11,313.02, 15,601.71 and 7,064.47 is: 9,742.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,313.02 : 15,601.71 = 7,064.47 : x
  2. Step 2: Convert to fraction form
    11,313.02/15,601.71 = 7,064.47/x
  3. Step 3: Cross multiply
    11,313.02x = 15,601.71 × 7,064.47
  4. Step 4: Simplify right side
    11,313.02x = 110,217,770.48
  5. Step 5: Solve for x
    x = 110,217,770.48/11,313.02
  6. Step 6: Final answer
    x = 9,742.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.