Home / 9,964.30-13,751.02-5,715.76

Finding the Fourth Proportional to 9,964.30, 13,751.02 and 5,715.76

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Solution

The fourth proportional to 9,964.30, 13,751.02 and 5,715.76 is: 7,887.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,964.30 : 13,751.02 = 5,715.76 : x
  2. Step 2: Convert to fraction form
    9,964.30/13,751.02 = 5,715.76/x
  3. Step 3: Cross multiply
    9,964.30x = 13,751.02 × 5,715.76
  4. Step 4: Simplify right side
    9,964.30x = 78,597,530.08
  5. Step 5: Solve for x
    x = 78,597,530.08/9,964.30
  6. Step 6: Final answer
    x = 7,887.91

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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.