Home / 23,021.36-34,534.10-9,870.66

Finding the Fourth Proportional to 23,021.36, 34,534.10 and 9,870.66

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Solution

The fourth proportional to 23,021.36, 34,534.10 and 9,870.66 is: 14,806.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,021.36 : 34,534.10 = 9,870.66 : x
  2. Step 2: Convert to fraction form
    23,021.36/34,534.10 = 9,870.66/x
  3. Step 3: Cross multiply
    23,021.36x = 34,534.10 × 9,870.66
  4. Step 4: Simplify right side
    23,021.36x = 340,874,328.66
  5. Step 5: Solve for x
    x = 340,874,328.66/23,021.36
  6. Step 6: Final answer
    x = 14,806.87

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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.