Home / 14,999.52-20,699.68-8,712.32

Finding the Fourth Proportional to 14,999.52, 20,699.68 and 8,712.32

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Solution

The fourth proportional to 14,999.52, 20,699.68 and 8,712.32 is: 12,023.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,999.52 : 20,699.68 = 8,712.32 : x
  2. Step 2: Convert to fraction form
    14,999.52/20,699.68 = 8,712.32/x
  3. Step 3: Cross multiply
    14,999.52x = 20,699.68 × 8,712.32
  4. Step 4: Simplify right side
    14,999.52x = 180,342,236.06
  5. Step 5: Solve for x
    x = 180,342,236.06/14,999.52
  6. Step 6: Final answer
    x = 12,023.20

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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.