Home / 9,964.15-13,750.26-5,487.91

Finding the Fourth Proportional to 9,964.15, 13,750.26 and 5,487.91

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Solution

The fourth proportional to 9,964.15, 13,750.26 and 5,487.91 is: 7,573.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,964.15 : 13,750.26 = 5,487.91 : x
  2. Step 2: Convert to fraction form
    9,964.15/13,750.26 = 5,487.91/x
  3. Step 3: Cross multiply
    9,964.15x = 13,750.26 × 5,487.91
  4. Step 4: Simplify right side
    9,964.15x = 75,460,189.36
  5. Step 5: Solve for x
    x = 75,460,189.36/9,964.15
  6. Step 6: Final answer
    x = 7,573.17

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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.