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Finding the Fourth Proportional to 17,898.66, 26,807.10 and 8,545.25

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Solution

The fourth proportional to 17,898.66, 26,807.10 and 8,545.25 is: 12,798.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,898.66 : 26,807.10 = 8,545.25 : x
  2. Step 2: Convert to fraction form
    17,898.66/26,807.10 = 8,545.25/x
  3. Step 3: Cross multiply
    17,898.66x = 26,807.10 × 8,545.25
  4. Step 4: Simplify right side
    17,898.66x = 229,073,371.28
  5. Step 5: Solve for x
    x = 229,073,371.28/17,898.66
  6. Step 6: Final answer
    x = 12,798.35

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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.