Home / 18,445.13-25,455.96-10,487.34

Finding the Fourth Proportional to 18,445.13, 25,455.96 and 10,487.34

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Solution

The fourth proportional to 18,445.13, 25,455.96 and 10,487.34 is: 14,473.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,445.13 : 25,455.96 = 10,487.34 : x
  2. Step 2: Convert to fraction form
    18,445.13/25,455.96 = 10,487.34/x
  3. Step 3: Cross multiply
    18,445.13x = 25,455.96 × 10,487.34
  4. Step 4: Simplify right side
    18,445.13x = 266,965,307.55
  5. Step 5: Solve for x
    x = 266,965,307.55/18,445.13
  6. Step 6: Final answer
    x = 14,473.48

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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.