Home / 9,437.84-13,037.50-8,939.62

Finding the Fourth Proportional to 9,437.84, 13,037.50 and 8,939.62

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Solution

The fourth proportional to 9,437.84, 13,037.50 and 8,939.62 is: 12,349.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,437.84 : 13,037.50 = 8,939.62 : x
  2. Step 2: Convert to fraction form
    9,437.84/13,037.50 = 8,939.62/x
  3. Step 3: Cross multiply
    9,437.84x = 13,037.50 × 8,939.62
  4. Step 4: Simplify right side
    9,437.84x = 116,550,295.75
  5. Step 5: Solve for x
    x = 116,550,295.75/9,437.84
  6. Step 6: Final answer
    x = 12,349.26

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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.