Home / 10,022.12-13,830.65-5,545.86

Finding the Fourth Proportional to 10,022.12, 13,830.65 and 5,545.86

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Solution

The fourth proportional to 10,022.12, 13,830.65 and 5,545.86 is: 7,653.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,022.12 : 13,830.65 = 5,545.86 : x
  2. Step 2: Convert to fraction form
    10,022.12/13,830.65 = 5,545.86/x
  3. Step 3: Cross multiply
    10,022.12x = 13,830.65 × 5,545.86
  4. Step 4: Simplify right side
    10,022.12x = 76,702,848.61
  5. Step 5: Solve for x
    x = 76,702,848.61/10,022.12
  6. Step 6: Final answer
    x = 7,653.36

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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.