Home / 19,013.90-26,238.12-10,515.54

Finding the Fourth Proportional to 19,013.90, 26,238.12 and 10,515.54

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Solution

The fourth proportional to 19,013.90, 26,238.12 and 10,515.54 is: 14,510.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,013.90 : 26,238.12 = 10,515.54 : x
  2. Step 2: Convert to fraction form
    19,013.90/26,238.12 = 10,515.54/x
  3. Step 3: Cross multiply
    19,013.90x = 26,238.12 × 10,515.54
  4. Step 4: Simplify right side
    19,013.90x = 275,908,000.38
  5. Step 5: Solve for x
    x = 275,908,000.38/19,013.90
  6. Step 6: Final answer
    x = 14,510.86

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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.