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Finding the Fourth Proportional to 17,916.16, 26,874.01 and 10,898.09

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Solution

The fourth proportional to 17,916.16, 26,874.01 and 10,898.09 is: 16,347.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,916.16 : 26,874.01 = 10,898.09 : x
  2. Step 2: Convert to fraction form
    17,916.16/26,874.01 = 10,898.09/x
  3. Step 3: Cross multiply
    17,916.16x = 26,874.01 × 10,898.09
  4. Step 4: Simplify right side
    17,916.16x = 292,875,460.45
  5. Step 5: Solve for x
    x = 292,875,460.45/17,916.16
  6. Step 6: Final answer
    x = 16,347.00

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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.