Home / 12,284.28-16,947.50-7,560.36

Finding the Fourth Proportional to 12,284.28, 16,947.50 and 7,560.36

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Solution

The fourth proportional to 12,284.28, 16,947.50 and 7,560.36 is: 10,430.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,284.28 : 16,947.50 = 7,560.36 : x
  2. Step 2: Convert to fraction form
    12,284.28/16,947.50 = 7,560.36/x
  3. Step 3: Cross multiply
    12,284.28x = 16,947.50 × 7,560.36
  4. Step 4: Simplify right side
    12,284.28x = 128,129,163.30
  5. Step 5: Solve for x
    x = 128,129,163.30/12,284.28
  6. Step 6: Final answer
    x = 10,430.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.