Home / 14,487.86-19,993.54-9,455.30

Finding the Fourth Proportional to 14,487.86, 19,993.54 and 9,455.30

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Solution

The fourth proportional to 14,487.86, 19,993.54 and 9,455.30 is: 13,048.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,487.86 : 19,993.54 = 9,455.30 : x
  2. Step 2: Convert to fraction form
    14,487.86/19,993.54 = 9,455.30/x
  3. Step 3: Cross multiply
    14,487.86x = 19,993.54 × 9,455.30
  4. Step 4: Simplify right side
    14,487.86x = 189,044,918.76
  5. Step 5: Solve for x
    x = 189,044,918.76/14,487.86
  6. Step 6: Final answer
    x = 13,048.51

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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.