Home / 12,808.04-19,187.35-7,244.35

Finding the Fourth Proportional to 12,808.04, 19,187.35 and 7,244.35

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Solution

The fourth proportional to 12,808.04, 19,187.35 and 7,244.35 is: 10,852.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,808.04 : 19,187.35 = 7,244.35 : x
  2. Step 2: Convert to fraction form
    12,808.04/19,187.35 = 7,244.35/x
  3. Step 3: Cross multiply
    12,808.04x = 19,187.35 × 7,244.35
  4. Step 4: Simplify right side
    12,808.04x = 138,999,812.89
  5. Step 5: Solve for x
    x = 138,999,812.89/12,808.04
  6. Step 6: Final answer
    x = 10,852.55

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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.