Home / 9,039.96-12,474.47-5,263.16

Finding the Fourth Proportional to 9,039.96, 12,474.47 and 5,263.16

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Solution

The fourth proportional to 9,039.96, 12,474.47 and 5,263.16 is: 7,262.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,039.96 : 12,474.47 = 5,263.16 : x
  2. Step 2: Convert to fraction form
    9,039.96/12,474.47 = 5,263.16/x
  3. Step 3: Cross multiply
    9,039.96x = 12,474.47 × 5,263.16
  4. Step 4: Simplify right side
    9,039.96x = 65,655,082.31
  5. Step 5: Solve for x
    x = 65,655,082.31/9,039.96
  6. Step 6: Final answer
    x = 7,262.76

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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.