Home / 19,020.02-26,238.78-12,307.82

Finding the Fourth Proportional to 19,020.02, 26,238.78 and 12,307.82

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Solution

The fourth proportional to 19,020.02, 26,238.78 and 12,307.82 is: 16,979.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,020.02 : 26,238.78 = 12,307.82 : x
  2. Step 2: Convert to fraction form
    19,020.02/26,238.78 = 12,307.82/x
  3. Step 3: Cross multiply
    19,020.02x = 26,238.78 × 12,307.82
  4. Step 4: Simplify right side
    19,020.02x = 322,942,050.07
  5. Step 5: Solve for x
    x = 322,942,050.07/19,020.02
  6. Step 6: Final answer
    x = 16,979.06

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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.