Home / 13,533.47-18,666.92-8,824.13

Finding the Fourth Proportional to 13,533.47, 18,666.92 and 8,824.13

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Solution

The fourth proportional to 13,533.47, 18,666.92 and 8,824.13 is: 12,171.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,533.47 : 18,666.92 = 8,824.13 : x
  2. Step 2: Convert to fraction form
    13,533.47/18,666.92 = 8,824.13/x
  3. Step 3: Cross multiply
    13,533.47x = 18,666.92 × 8,824.13
  4. Step 4: Simplify right side
    13,533.47x = 164,719,328.78
  5. Step 5: Solve for x
    x = 164,719,328.78/13,533.47
  6. Step 6: Final answer
    x = 12,171.26

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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.