Home / 14,557.89-20,097.87-9,784.77

Finding the Fourth Proportional to 14,557.89, 20,097.87 and 9,784.77

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Solution

The fourth proportional to 14,557.89, 20,097.87 and 9,784.77 is: 13,508.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,557.89 : 20,097.87 = 9,784.77 : x
  2. Step 2: Convert to fraction form
    14,557.89/20,097.87 = 9,784.77/x
  3. Step 3: Cross multiply
    14,557.89x = 20,097.87 × 9,784.77
  4. Step 4: Simplify right side
    14,557.89x = 196,653,035.44
  5. Step 5: Solve for x
    x = 196,653,035.44/14,557.89
  6. Step 6: Final answer
    x = 13,508.35

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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.