Home / 9,047.80-13,573.51-3,124.90

Finding the Fourth Proportional to 9,047.80, 13,573.51 and 3,124.90

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Solution

The fourth proportional to 9,047.80, 13,573.51 and 3,124.90 is: 4,687.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,047.80 : 13,573.51 = 3,124.90 : x
  2. Step 2: Convert to fraction form
    9,047.80/13,573.51 = 3,124.90/x
  3. Step 3: Cross multiply
    9,047.80x = 13,573.51 × 3,124.90
  4. Step 4: Simplify right side
    9,047.80x = 42,415,885.05
  5. Step 5: Solve for x
    x = 42,415,885.05/9,047.80
  6. Step 6: Final answer
    x = 4,687.98

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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.