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Finding the Fourth Proportional to 17,870.70, 26,806.05 and 8,010.30

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Solution

The fourth proportional to 17,870.70, 26,806.05 and 8,010.30 is: 12,015.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,870.70 : 26,806.05 = 8,010.30 : x
  2. Step 2: Convert to fraction form
    17,870.70/26,806.05 = 8,010.30/x
  3. Step 3: Cross multiply
    17,870.70x = 26,806.05 × 8,010.30
  4. Step 4: Simplify right side
    17,870.70x = 214,724,502.32
  5. Step 5: Solve for x
    x = 214,724,502.32/17,870.70
  6. Step 6: Final answer
    x = 12,015.45

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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.