Home / 9,531.94-13,154.12-5,555.78

Finding the Fourth Proportional to 9,531.94, 13,154.12 and 5,555.78

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Solution

The fourth proportional to 9,531.94, 13,154.12 and 5,555.78 is: 7,667.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,531.94 : 13,154.12 = 5,555.78 : x
  2. Step 2: Convert to fraction form
    9,531.94/13,154.12 = 5,555.78/x
  3. Step 3: Cross multiply
    9,531.94x = 13,154.12 × 5,555.78
  4. Step 4: Simplify right side
    9,531.94x = 73,081,396.81
  5. Step 5: Solve for x
    x = 73,081,396.81/9,531.94
  6. Step 6: Final answer
    x = 7,667.00

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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.