Home / 12,977.91-19,449.95-5,955.39

Finding the Fourth Proportional to 12,977.91, 19,449.95 and 5,955.39

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Solution

The fourth proportional to 12,977.91, 19,449.95 and 5,955.39 is: 8,925.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,977.91 : 19,449.95 = 5,955.39 : x
  2. Step 2: Convert to fraction form
    12,977.91/19,449.95 = 5,955.39/x
  3. Step 3: Cross multiply
    12,977.91x = 19,449.95 × 5,955.39
  4. Step 4: Simplify right side
    12,977.91x = 115,832,007.95
  5. Step 5: Solve for x
    x = 115,832,007.95/12,977.91
  6. Step 6: Final answer
    x = 8,925.32

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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.