Home / 12,947.36-19,424.40-4,627.04

Finding the Fourth Proportional to 12,947.36, 19,424.40 and 4,627.04

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Solution

The fourth proportional to 12,947.36, 19,424.40 and 4,627.04 is: 6,941.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,947.36 : 19,424.40 = 4,627.04 : x
  2. Step 2: Convert to fraction form
    12,947.36/19,424.40 = 4,627.04/x
  3. Step 3: Cross multiply
    12,947.36x = 19,424.40 × 4,627.04
  4. Step 4: Simplify right side
    12,947.36x = 89,877,475.78
  5. Step 5: Solve for x
    x = 89,877,475.78/12,947.36
  6. Step 6: Final answer
    x = 6,941.76

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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.