Home / 13,190.48-18,204.33-7,526.63

Finding the Fourth Proportional to 13,190.48, 18,204.33 and 7,526.63

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Solution

The fourth proportional to 13,190.48, 18,204.33 and 7,526.63 is: 10,387.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,190.48 : 18,204.33 = 7,526.63 : x
  2. Step 2: Convert to fraction form
    13,190.48/18,204.33 = 7,526.63/x
  3. Step 3: Cross multiply
    13,190.48x = 18,204.33 × 7,526.63
  4. Step 4: Simplify right side
    13,190.48x = 137,017,256.31
  5. Step 5: Solve for x
    x = 137,017,256.31/13,190.48
  6. Step 6: Final answer
    x = 10,387.59

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Double scale
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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.