Home / 19,006.32-26,222.29-12,300.42

Finding the Fourth Proportional to 19,006.32, 26,222.29 and 12,300.42

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Solution

The fourth proportional to 19,006.32, 26,222.29 and 12,300.42 is: 16,970.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,006.32 : 26,222.29 = 12,300.42 : x
  2. Step 2: Convert to fraction form
    19,006.32/26,222.29 = 12,300.42/x
  3. Step 3: Cross multiply
    19,006.32x = 26,222.29 × 12,300.42
  4. Step 4: Simplify right side
    19,006.32x = 322,545,180.36
  5. Step 5: Solve for x
    x = 322,545,180.36/19,006.32
  6. Step 6: Final answer
    x = 16,970.42

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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.