Home / 13,281.12-19,924.80-4,047.12

Finding the Fourth Proportional to 13,281.12, 19,924.80 and 4,047.12

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Solution

The fourth proportional to 13,281.12, 19,924.80 and 4,047.12 is: 6,071.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,281.12 : 19,924.80 = 4,047.12 : x
  2. Step 2: Convert to fraction form
    13,281.12/19,924.80 = 4,047.12/x
  3. Step 3: Cross multiply
    13,281.12x = 19,924.80 × 4,047.12
  4. Step 4: Simplify right side
    13,281.12x = 80,638,056.58
  5. Step 5: Solve for x
    x = 80,638,056.58/13,281.12
  6. Step 6: Final answer
    x = 6,071.63

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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.