Home / 8,928.80-13,393.31-6,154.72

Finding the Fourth Proportional to 8,928.80, 13,393.31 and 6,154.72

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Solution

The fourth proportional to 8,928.80, 13,393.31 and 6,154.72 is: 9,232.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,928.80 : 13,393.31 = 6,154.72 : x
  2. Step 2: Convert to fraction form
    8,928.80/13,393.31 = 6,154.72/x
  3. Step 3: Cross multiply
    8,928.80x = 13,393.31 × 6,154.72
  4. Step 4: Simplify right side
    8,928.80x = 82,432,075.63
  5. Step 5: Solve for x
    x = 82,432,075.63/8,928.80
  6. Step 6: Final answer
    x = 9,232.16

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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.