Home / 16,638.65-22,963.35-9,470.31

Finding the Fourth Proportional to 16,638.65, 22,963.35 and 9,470.31

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Solution

The fourth proportional to 16,638.65, 22,963.35 and 9,470.31 is: 13,070.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,638.65 : 22,963.35 = 9,470.31 : x
  2. Step 2: Convert to fraction form
    16,638.65/22,963.35 = 9,470.31/x
  3. Step 3: Cross multiply
    16,638.65x = 22,963.35 × 9,470.31
  4. Step 4: Simplify right side
    16,638.65x = 217,470,043.14
  5. Step 5: Solve for x
    x = 217,470,043.14/16,638.65
  6. Step 6: Final answer
    x = 13,070.17

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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.