Home / 12,947.04-19,419.95-4,627.63

Finding the Fourth Proportional to 12,947.04, 19,419.95 and 4,627.63

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Solution

The fourth proportional to 12,947.04, 19,419.95 and 4,627.63 is: 6,941.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,947.04 : 19,419.95 = 4,627.63 : x
  2. Step 2: Convert to fraction form
    12,947.04/19,419.95 = 4,627.63/x
  3. Step 3: Cross multiply
    12,947.04x = 19,419.95 × 4,627.63
  4. Step 4: Simplify right side
    12,947.04x = 89,868,379.06
  5. Step 5: Solve for x
    x = 89,868,379.06/12,947.04
  6. Step 6: Final answer
    x = 6,941.23

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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.