Home / 9,555.40-14,328.78-3,399.56

Finding the Fourth Proportional to 9,555.40, 14,328.78 and 3,399.56

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Solution

The fourth proportional to 9,555.40, 14,328.78 and 3,399.56 is: 5,097.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,555.40 : 14,328.78 = 3,399.56 : x
  2. Step 2: Convert to fraction form
    9,555.40/14,328.78 = 3,399.56/x
  3. Step 3: Cross multiply
    9,555.40x = 14,328.78 × 3,399.56
  4. Step 4: Simplify right side
    9,555.40x = 48,711,547.34
  5. Step 5: Solve for x
    x = 48,711,547.34/9,555.40
  6. Step 6: Final answer
    x = 5,097.80

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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.