Home / 10,006.52-15,006.18-3,430.94

Finding the Fourth Proportional to 10,006.52, 15,006.18 and 3,430.94

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Solution

The fourth proportional to 10,006.52, 15,006.18 and 3,430.94 is: 5,145.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,006.52 : 15,006.18 = 3,430.94 : x
  2. Step 2: Convert to fraction form
    10,006.52/15,006.18 = 3,430.94/x
  3. Step 3: Cross multiply
    10,006.52x = 15,006.18 × 3,430.94
  4. Step 4: Simplify right side
    10,006.52x = 51,485,303.21
  5. Step 5: Solve for x
    x = 51,485,303.21/10,006.52
  6. Step 6: Final answer
    x = 5,145.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.