Home / 19,071.97-28,612.95-7,225.84

Finding the Fourth Proportional to 19,071.97, 28,612.95 and 7,225.84

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Solution

The fourth proportional to 19,071.97, 28,612.95 and 7,225.84 is: 10,840.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,071.97 : 28,612.95 = 7,225.84 : x
  2. Step 2: Convert to fraction form
    19,071.97/28,612.95 = 7,225.84/x
  3. Step 3: Cross multiply
    19,071.97x = 28,612.95 × 7,225.84
  4. Step 4: Simplify right side
    19,071.97x = 206,752,598.63
  5. Step 5: Solve for x
    x = 206,752,598.63/19,071.97
  6. Step 6: Final answer
    x = 10,840.65

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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.