Home / 14,823.36-20,454-9,518.88

Finding the Fourth Proportional to 14,823.36, 20,454 and 9,518.88

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Solution

The fourth proportional to 14,823.36, 20,454 and 9,518.88 is: 13,134.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,823.36 : 20,454 = 9,518.88 : x
  2. Step 2: Convert to fraction form
    14,823.36/20,454 = 9,518.88/x
  3. Step 3: Cross multiply
    14,823.36x = 20,454 × 9,518.88
  4. Step 4: Simplify right side
    14,823.36x = 194,699,171.52
  5. Step 5: Solve for x
    x = 194,699,171.52/14,823.36
  6. Step 6: Final answer
    x = 13,134.62

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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.