Home / 18,526.04-25,566.58-10,142.60

Finding the Fourth Proportional to 18,526.04, 25,566.58 and 10,142.60

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Solution

The fourth proportional to 18,526.04, 25,566.58 and 10,142.60 is: 13,997.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,526.04 : 25,566.58 = 10,142.60 : x
  2. Step 2: Convert to fraction form
    18,526.04/25,566.58 = 10,142.60/x
  3. Step 3: Cross multiply
    18,526.04x = 25,566.58 × 10,142.60
  4. Step 4: Simplify right side
    18,526.04x = 259,311,594.31
  5. Step 5: Solve for x
    x = 259,311,594.31/18,526.04
  6. Step 6: Final answer
    x = 13,997.14

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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.