Home / 19,951.38-29,888.76-11,159.64

Finding the Fourth Proportional to 19,951.38, 29,888.76 and 11,159.64

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Solution

The fourth proportional to 19,951.38, 29,888.76 and 11,159.64 is: 16,718.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,951.38 : 29,888.76 = 11,159.64 : x
  2. Step 2: Convert to fraction form
    19,951.38/29,888.76 = 11,159.64/x
  3. Step 3: Cross multiply
    19,951.38x = 29,888.76 × 11,159.64
  4. Step 4: Simplify right side
    19,951.38x = 333,547,801.65
  5. Step 5: Solve for x
    x = 333,547,801.65/19,951.38
  6. Step 6: Final answer
    x = 16,718.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.