Home / 12,895.28-17,795.54-7,306.28

Finding the Fourth Proportional to 12,895.28, 17,795.54 and 7,306.28

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Solution

The fourth proportional to 12,895.28, 17,795.54 and 7,306.28 is: 10,082.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,895.28 : 17,795.54 = 7,306.28 : x
  2. Step 2: Convert to fraction form
    12,895.28/17,795.54 = 7,306.28/x
  3. Step 3: Cross multiply
    12,895.28x = 17,795.54 × 7,306.28
  4. Step 4: Simplify right side
    12,895.28x = 130,019,197.99
  5. Step 5: Solve for x
    x = 130,019,197.99/12,895.28
  6. Step 6: Final answer
    x = 10,082.70

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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.