Home / 18,521.42-25,559.36-10,023.34

Finding the Fourth Proportional to 18,521.42, 25,559.36 and 10,023.34

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Solution

The fourth proportional to 18,521.42, 25,559.36 and 10,023.34 is: 13,832.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,521.42 : 25,559.36 = 10,023.34 : x
  2. Step 2: Convert to fraction form
    18,521.42/25,559.36 = 10,023.34/x
  3. Step 3: Cross multiply
    18,521.42x = 25,559.36 × 10,023.34
  4. Step 4: Simplify right side
    18,521.42x = 256,190,155.46
  5. Step 5: Solve for x
    x = 256,190,155.46/18,521.42
  6. Step 6: Final answer
    x = 13,832.10

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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.