Home / 19,215.64-28,818.30-7,366.84

Finding the Fourth Proportional to 19,215.64, 28,818.30 and 7,366.84

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Solution

The fourth proportional to 19,215.64, 28,818.30 and 7,366.84 is: 11,048.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,215.64 : 28,818.30 = 7,366.84 : x
  2. Step 2: Convert to fraction form
    19,215.64/28,818.30 = 7,366.84/x
  3. Step 3: Cross multiply
    19,215.64x = 28,818.30 × 7,366.84
  4. Step 4: Simplify right side
    19,215.64x = 212,299,805.17
  5. Step 5: Solve for x
    x = 212,299,805.17/19,215.64
  6. Step 6: Final answer
    x = 11,048.28

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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.