Home / 19,006.29-28,509.45-5,155.29

Finding the Fourth Proportional to 19,006.29, 28,509.45 and 5,155.29

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Solution

The fourth proportional to 19,006.29, 28,509.45 and 5,155.29 is: 7,732.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,006.29 : 28,509.45 = 5,155.29 : x
  2. Step 2: Convert to fraction form
    19,006.29/28,509.45 = 5,155.29/x
  3. Step 3: Cross multiply
    19,006.29x = 28,509.45 × 5,155.29
  4. Step 4: Simplify right side
    19,006.29x = 146,974,482.49
  5. Step 5: Solve for x
    x = 146,974,482.49/19,006.29
  6. Step 6: Final answer
    x = 7,732.94

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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.