Home / 14,528.49-20,055.96-11,170.13

Finding the Fourth Proportional to 14,528.49, 20,055.96 and 11,170.13

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Solution

The fourth proportional to 14,528.49, 20,055.96 and 11,170.13 is: 15,419.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,528.49 : 20,055.96 = 11,170.13 : x
  2. Step 2: Convert to fraction form
    14,528.49/20,055.96 = 11,170.13/x
  3. Step 3: Cross multiply
    14,528.49x = 20,055.96 × 11,170.13
  4. Step 4: Simplify right side
    14,528.49x = 224,027,680.47
  5. Step 5: Solve for x
    x = 224,027,680.47/14,528.49
  6. Step 6: Final answer
    x = 15,419.89

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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.