Home / 9,872.50-14,811.09-2,947.18

Finding the Fourth Proportional to 9,872.50, 14,811.09 and 2,947.18

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Solution

The fourth proportional to 9,872.50, 14,811.09 and 2,947.18 is: 4,421.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,872.50 : 14,811.09 = 2,947.18 : x
  2. Step 2: Convert to fraction form
    9,872.50/14,811.09 = 2,947.18/x
  3. Step 3: Cross multiply
    9,872.50x = 14,811.09 × 2,947.18
  4. Step 4: Simplify right side
    9,872.50x = 43,650,948.23
  5. Step 5: Solve for x
    x = 43,650,948.23/9,872.50
  6. Step 6: Final answer
    x = 4,421.47

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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.