Home / 19,329.48-28,999.76-9,471.65

Finding the Fourth Proportional to 19,329.48, 28,999.76 and 9,471.65

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Solution

The fourth proportional to 19,329.48, 28,999.76 and 9,471.65 is: 14,210.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,329.48 : 28,999.76 = 9,471.65 : x
  2. Step 2: Convert to fraction form
    19,329.48/28,999.76 = 9,471.65/x
  3. Step 3: Cross multiply
    19,329.48x = 28,999.76 × 9,471.65
  4. Step 4: Simplify right side
    19,329.48x = 274,675,384.45
  5. Step 5: Solve for x
    x = 274,675,384.45/19,329.48
  6. Step 6: Final answer
    x = 14,210.18

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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.