Home / 16,970.49-23,421.47-9,519.93

Finding the Fourth Proportional to 16,970.49, 23,421.47 and 9,519.93

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Solution

The fourth proportional to 16,970.49, 23,421.47 and 9,519.93 is: 13,138.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,970.49 : 23,421.47 = 9,519.93 : x
  2. Step 2: Convert to fraction form
    16,970.49/23,421.47 = 9,519.93/x
  3. Step 3: Cross multiply
    16,970.49x = 23,421.47 × 9,519.93
  4. Step 4: Simplify right side
    16,970.49x = 222,970,707.30
  5. Step 5: Solve for x
    x = 222,970,707.30/16,970.49
  6. Step 6: Final answer
    x = 13,138.73

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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.