Home / 23,473.40-32,390.12-13,401.20

Finding the Fourth Proportional to 23,473.40, 32,390.12 and 13,401.20

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Solution

The fourth proportional to 23,473.40, 32,390.12 and 13,401.20 is: 18,491.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,473.40 : 32,390.12 = 13,401.20 : x
  2. Step 2: Convert to fraction form
    23,473.40/32,390.12 = 13,401.20/x
  3. Step 3: Cross multiply
    23,473.40x = 32,390.12 × 13,401.20
  4. Step 4: Simplify right side
    23,473.40x = 434,066,247.19
  5. Step 5: Solve for x
    x = 434,066,247.19/23,473.40
  6. Step 6: Final answer
    x = 18,491.84

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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.