Home / 15,403.08-23,143.54-14,780.30

Finding the Fourth Proportional to 15,403.08, 23,143.54 and 14,780.30

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Solution

The fourth proportional to 15,403.08, 23,143.54 and 14,780.30 is: 22,207.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,403.08 : 23,143.54 = 14,780.30 : x
  2. Step 2: Convert to fraction form
    15,403.08/23,143.54 = 14,780.30/x
  3. Step 3: Cross multiply
    15,403.08x = 23,143.54 × 14,780.30
  4. Step 4: Simplify right side
    15,403.08x = 342,068,464.26
  5. Step 5: Solve for x
    x = 342,068,464.26/15,403.08
  6. Step 6: Final answer
    x = 22,207.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.