Home / 16,947.12-25,420.70-4,635.12

Finding the Fourth Proportional to 16,947.12, 25,420.70 and 4,635.12

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Solution

The fourth proportional to 16,947.12, 25,420.70 and 4,635.12 is: 6,952.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,947.12 : 25,420.70 = 4,635.12 : x
  2. Step 2: Convert to fraction form
    16,947.12/25,420.70 = 4,635.12/x
  3. Step 3: Cross multiply
    16,947.12x = 25,420.70 × 4,635.12
  4. Step 4: Simplify right side
    16,947.12x = 117,827,994.98
  5. Step 5: Solve for x
    x = 117,827,994.98/16,947.12
  6. Step 6: Final answer
    x = 6,952.69

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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.