Home / 12,858.35-19,272.33-4,955.99

Finding the Fourth Proportional to 12,858.35, 19,272.33 and 4,955.99

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Solution

The fourth proportional to 12,858.35, 19,272.33 and 4,955.99 is: 7,428.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,858.35 : 19,272.33 = 4,955.99 : x
  2. Step 2: Convert to fraction form
    12,858.35/19,272.33 = 4,955.99/x
  3. Step 3: Cross multiply
    12,858.35x = 19,272.33 × 4,955.99
  4. Step 4: Simplify right side
    12,858.35x = 95,513,378.40
  5. Step 5: Solve for x
    x = 95,513,378.40/12,858.35
  6. Step 6: Final answer
    x = 7,428.12

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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.