Home / 9,719.55-13,417.34-7,561.22

Finding the Fourth Proportional to 9,719.55, 13,417.34 and 7,561.22

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Solution

The fourth proportional to 9,719.55, 13,417.34 and 7,561.22 is: 10,437.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,719.55 : 13,417.34 = 7,561.22 : x
  2. Step 2: Convert to fraction form
    9,719.55/13,417.34 = 7,561.22/x
  3. Step 3: Cross multiply
    9,719.55x = 13,417.34 × 7,561.22
  4. Step 4: Simplify right side
    9,719.55x = 101,451,354.66
  5. Step 5: Solve for x
    x = 101,451,354.66/9,719.55
  6. Step 6: Final answer
    x = 10,437.87

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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.