Home / 9,427.28-13,010.04-5,235.50

Finding the Fourth Proportional to 9,427.28, 13,010.04 and 5,235.50

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Solution

The fourth proportional to 9,427.28, 13,010.04 and 5,235.50 is: 7,225.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,427.28 : 13,010.04 = 5,235.50 : x
  2. Step 2: Convert to fraction form
    9,427.28/13,010.04 = 5,235.50/x
  3. Step 3: Cross multiply
    9,427.28x = 13,010.04 × 5,235.50
  4. Step 4: Simplify right side
    9,427.28x = 68,114,064.42
  5. Step 5: Solve for x
    x = 68,114,064.42/9,427.28
  6. Step 6: Final answer
    x = 7,225.21

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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.