Home / 12,947.64-19,418.55-5,050.34

Finding the Fourth Proportional to 12,947.64, 19,418.55 and 5,050.34

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Solution

The fourth proportional to 12,947.64, 19,418.55 and 5,050.34 is: 7,574.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,947.64 : 19,418.55 = 5,050.34 : x
  2. Step 2: Convert to fraction form
    12,947.64/19,418.55 = 5,050.34/x
  3. Step 3: Cross multiply
    12,947.64x = 19,418.55 × 5,050.34
  4. Step 4: Simplify right side
    12,947.64x = 98,070,279.81
  5. Step 5: Solve for x
    x = 98,070,279.81/12,947.64
  6. Step 6: Final answer
    x = 7,574.37

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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.