Home / 13,337.20-18,405.30-7,673.04

Finding the Fourth Proportional to 13,337.20, 18,405.30 and 7,673.04

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Solution

The fourth proportional to 13,337.20, 18,405.30 and 7,673.04 is: 10,588.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,337.20 : 18,405.30 = 7,673.04 : x
  2. Step 2: Convert to fraction form
    13,337.20/18,405.30 = 7,673.04/x
  3. Step 3: Cross multiply
    13,337.20x = 18,405.30 × 7,673.04
  4. Step 4: Simplify right side
    13,337.20x = 141,224,603.11
  5. Step 5: Solve for x
    x = 141,224,603.11/13,337.20
  6. Step 6: Final answer
    x = 10,588.77

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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.