Home / 9,947.44-14,867.52-8,688.16

Finding the Fourth Proportional to 9,947.44, 14,867.52 and 8,688.16

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Solution

The fourth proportional to 9,947.44, 14,867.52 and 8,688.16 is: 12,985.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,947.44 : 14,867.52 = 8,688.16 : x
  2. Step 2: Convert to fraction form
    9,947.44/14,867.52 = 8,688.16/x
  3. Step 3: Cross multiply
    9,947.44x = 14,867.52 × 8,688.16
  4. Step 4: Simplify right side
    9,947.44x = 129,171,392.56
  5. Step 5: Solve for x
    x = 129,171,392.56/9,947.44
  6. Step 6: Final answer
    x = 12,985.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.