Home / 12,712.60-19,070.42-4,816.36

Finding the Fourth Proportional to 12,712.60, 19,070.42 and 4,816.36

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Solution

The fourth proportional to 12,712.60, 19,070.42 and 4,816.36 is: 7,225.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,712.60 : 19,070.42 = 4,816.36 : x
  2. Step 2: Convert to fraction form
    12,712.60/19,070.42 = 4,816.36/x
  3. Step 3: Cross multiply
    12,712.60x = 19,070.42 × 4,816.36
  4. Step 4: Simplify right side
    12,712.60x = 91,850,008.07
  5. Step 5: Solve for x
    x = 91,850,008.07/12,712.60
  6. Step 6: Final answer
    x = 7,225.12

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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.