Home / 10,146.90-14,002.86-5,898.30

Finding the Fourth Proportional to 10,146.90, 14,002.86 and 5,898.30

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Solution

The fourth proportional to 10,146.90, 14,002.86 and 5,898.30 is: 8,139.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,146.90 : 14,002.86 = 5,898.30 : x
  2. Step 2: Convert to fraction form
    10,146.90/14,002.86 = 5,898.30/x
  3. Step 3: Cross multiply
    10,146.90x = 14,002.86 × 5,898.30
  4. Step 4: Simplify right side
    10,146.90x = 82,593,069.14
  5. Step 5: Solve for x
    x = 82,593,069.14/10,146.90
  6. Step 6: Final answer
    x = 8,139.73

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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.