Home / 14,382.02-21,545.36-8,819.14

Finding the Fourth Proportional to 14,382.02, 21,545.36 and 8,819.14

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Solution

The fourth proportional to 14,382.02, 21,545.36 and 8,819.14 is: 13,211.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,382.02 : 21,545.36 = 8,819.14 : x
  2. Step 2: Convert to fraction form
    14,382.02/21,545.36 = 8,819.14/x
  3. Step 3: Cross multiply
    14,382.02x = 21,545.36 × 8,819.14
  4. Step 4: Simplify right side
    14,382.02x = 190,011,546.19
  5. Step 5: Solve for x
    x = 190,011,546.19/14,382.02
  6. Step 6: Final answer
    x = 13,211.74

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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.