Home / 13,459.77-20,191.34-4,454.25

Finding the Fourth Proportional to 13,459.77, 20,191.34 and 4,454.25

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Solution

The fourth proportional to 13,459.77, 20,191.34 and 4,454.25 is: 6,681.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,459.77 : 20,191.34 = 4,454.25 : x
  2. Step 2: Convert to fraction form
    13,459.77/20,191.34 = 4,454.25/x
  3. Step 3: Cross multiply
    13,459.77x = 20,191.34 × 4,454.25
  4. Step 4: Simplify right side
    13,459.77x = 89,937,253.92
  5. Step 5: Solve for x
    x = 89,937,253.92/13,459.77
  6. Step 6: Final answer
    x = 6,681.93

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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.