Home / 14,328.20-19,772.92-8,040.57

Finding the Fourth Proportional to 14,328.20, 19,772.92 and 8,040.57

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Solution

The fourth proportional to 14,328.20, 19,772.92 and 8,040.57 is: 11,095.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,328.20 : 19,772.92 = 8,040.57 : x
  2. Step 2: Convert to fraction form
    14,328.20/19,772.92 = 8,040.57/x
  3. Step 3: Cross multiply
    14,328.20x = 19,772.92 × 8,040.57
  4. Step 4: Simplify right side
    14,328.20x = 158,985,547.36
  5. Step 5: Solve for x
    x = 158,985,547.36/14,328.20
  6. Step 6: Final answer
    x = 11,095.99

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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.