Home / 13,849.83-20,774.75-6,459.46

Finding the Fourth Proportional to 13,849.83, 20,774.75 and 6,459.46

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Solution

The fourth proportional to 13,849.83, 20,774.75 and 6,459.46 is: 9,689.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,849.83 : 20,774.75 = 6,459.46 : x
  2. Step 2: Convert to fraction form
    13,849.83/20,774.75 = 6,459.46/x
  3. Step 3: Cross multiply
    13,849.83x = 20,774.75 × 6,459.46
  4. Step 4: Simplify right side
    13,849.83x = 134,193,582.40
  5. Step 5: Solve for x
    x = 134,193,582.40/13,849.83
  6. Step 6: Final answer
    x = 9,689.19

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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.