Home / 13,325.57-18,389.30-7,357.23

Finding the Fourth Proportional to 13,325.57, 18,389.30 and 7,357.23

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Solution

The fourth proportional to 13,325.57, 18,389.30 and 7,357.23 is: 10,152.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,325.57 : 18,389.30 = 7,357.23 : x
  2. Step 2: Convert to fraction form
    13,325.57/18,389.30 = 7,357.23/x
  3. Step 3: Cross multiply
    13,325.57x = 18,389.30 × 7,357.23
  4. Step 4: Simplify right side
    13,325.57x = 135,294,272.85
  5. Step 5: Solve for x
    x = 135,294,272.85/13,325.57
  6. Step 6: Final answer
    x = 10,152.99

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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.