Home / 16,920.04-23,345.70-10,203.88

Finding the Fourth Proportional to 16,920.04, 23,345.70 and 10,203.88

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Solution

The fourth proportional to 16,920.04, 23,345.70 and 10,203.88 is: 14,078.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,920.04 : 23,345.70 = 10,203.88 : x
  2. Step 2: Convert to fraction form
    16,920.04/23,345.70 = 10,203.88/x
  3. Step 3: Cross multiply
    16,920.04x = 23,345.70 × 10,203.88
  4. Step 4: Simplify right side
    16,920.04x = 238,216,721.32
  5. Step 5: Solve for x
    x = 238,216,721.32/16,920.04
  6. Step 6: Final answer
    x = 14,078.97

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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.