Home / 13,573.35-20,329.94-10,430.22

Finding the Fourth Proportional to 13,573.35, 20,329.94 and 10,430.22

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Solution

The fourth proportional to 13,573.35, 20,329.94 and 10,430.22 is: 15,622.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,573.35 : 20,329.94 = 10,430.22 : x
  2. Step 2: Convert to fraction form
    13,573.35/20,329.94 = 10,430.22/x
  3. Step 3: Cross multiply
    13,573.35x = 20,329.94 × 10,430.22
  4. Step 4: Simplify right side
    13,573.35x = 212,045,746.79
  5. Step 5: Solve for x
    x = 212,045,746.79/13,573.35
  6. Step 6: Final answer
    x = 15,622.21

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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.