Home / 9,534.51-13,157.24-5,555.79

Finding the Fourth Proportional to 9,534.51, 13,157.24 and 5,555.79

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Solution

The fourth proportional to 9,534.51, 13,157.24 and 5,555.79 is: 7,666.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,534.51 : 13,157.24 = 5,555.79 : x
  2. Step 2: Convert to fraction form
    9,534.51/13,157.24 = 5,555.79/x
  3. Step 3: Cross multiply
    9,534.51x = 13,157.24 × 5,555.79
  4. Step 4: Simplify right side
    9,534.51x = 73,098,834.64
  5. Step 5: Solve for x
    x = 73,098,834.64/9,534.51
  6. Step 6: Final answer
    x = 7,666.76

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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.