Home / 13,068.90-19,602.72-3,207.60

Finding the Fourth Proportional to 13,068.90, 19,602.72 and 3,207.60

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Solution

The fourth proportional to 13,068.90, 19,602.72 and 3,207.60 is: 4,811.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,068.90 : 19,602.72 = 3,207.60 : x
  2. Step 2: Convert to fraction form
    13,068.90/19,602.72 = 3,207.60/x
  3. Step 3: Cross multiply
    13,068.90x = 19,602.72 × 3,207.60
  4. Step 4: Simplify right side
    13,068.90x = 62,877,684.67
  5. Step 5: Solve for x
    x = 62,877,684.67/13,068.90
  6. Step 6: Final answer
    x = 4,811.25

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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.