Home / 10,359.20-14,291.13-7,000.79

Finding the Fourth Proportional to 10,359.20, 14,291.13 and 7,000.79

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Solution

The fourth proportional to 10,359.20, 14,291.13 and 7,000.79 is: 9,658.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,359.20 : 14,291.13 = 7,000.79 : x
  2. Step 2: Convert to fraction form
    10,359.20/14,291.13 = 7,000.79/x
  3. Step 3: Cross multiply
    10,359.20x = 14,291.13 × 7,000.79
  4. Step 4: Simplify right side
    10,359.20x = 100,049,128.54
  5. Step 5: Solve for x
    x = 100,049,128.54/10,359.20
  6. Step 6: Final answer
    x = 9,658.00

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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.