Home / 13,281.64-19,934.77-6,712.45

Finding the Fourth Proportional to 13,281.64, 19,934.77 and 6,712.45

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Solution

The fourth proportional to 13,281.64, 19,934.77 and 6,712.45 is: 10,074.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,281.64 : 19,934.77 = 6,712.45 : x
  2. Step 2: Convert to fraction form
    13,281.64/19,934.77 = 6,712.45/x
  3. Step 3: Cross multiply
    13,281.64x = 19,934.77 × 6,712.45
  4. Step 4: Simplify right side
    13,281.64x = 133,811,146.89
  5. Step 5: Solve for x
    x = 133,811,146.89/13,281.64
  6. Step 6: Final answer
    x = 10,074.90

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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.