Home / 15,857.95-23,789.66-5,328.98

Finding the Fourth Proportional to 15,857.95, 23,789.66 and 5,328.98

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Solution

The fourth proportional to 15,857.95, 23,789.66 and 5,328.98 is: 7,994.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,857.95 : 23,789.66 = 5,328.98 : x
  2. Step 2: Convert to fraction form
    15,857.95/23,789.66 = 5,328.98/x
  3. Step 3: Cross multiply
    15,857.95x = 23,789.66 × 5,328.98
  4. Step 4: Simplify right side
    15,857.95x = 126,774,622.35
  5. Step 5: Solve for x
    x = 126,774,622.35/15,857.95
  6. Step 6: Final answer
    x = 7,994.39

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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.