Home / 15,260.18-21,063.12-14,330.84

Finding the Fourth Proportional to 15,260.18, 21,063.12 and 14,330.84

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Solution

The fourth proportional to 15,260.18, 21,063.12 and 14,330.84 is: 19,780.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,260.18 : 21,063.12 = 14,330.84 : x
  2. Step 2: Convert to fraction form
    15,260.18/21,063.12 = 14,330.84/x
  3. Step 3: Cross multiply
    15,260.18x = 21,063.12 × 14,330.84
  4. Step 4: Simplify right side
    15,260.18x = 301,852,202.62
  5. Step 5: Solve for x
    x = 301,852,202.62/15,260.18
  6. Step 6: Final answer
    x = 19,780.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.