Home / 10,465.12-14,442.68-5,990.28

Finding the Fourth Proportional to 10,465.12, 14,442.68 and 5,990.28

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Solution

The fourth proportional to 10,465.12, 14,442.68 and 5,990.28 is: 8,267.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,465.12 : 14,442.68 = 5,990.28 : x
  2. Step 2: Convert to fraction form
    10,465.12/14,442.68 = 5,990.28/x
  3. Step 3: Cross multiply
    10,465.12x = 14,442.68 × 5,990.28
  4. Step 4: Simplify right side
    10,465.12x = 86,515,594.99
  5. Step 5: Solve for x
    x = 86,515,594.99/10,465.12
  6. Step 6: Final answer
    x = 8,267.04

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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.