Home / 14,696.64-20,271.33-9,389.07

Finding the Fourth Proportional to 14,696.64, 20,271.33 and 9,389.07

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Solution

The fourth proportional to 14,696.64, 20,271.33 and 9,389.07 is: 12,950.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,696.64 : 20,271.33 = 9,389.07 : x
  2. Step 2: Convert to fraction form
    14,696.64/20,271.33 = 9,389.07/x
  3. Step 3: Cross multiply
    14,696.64x = 20,271.33 × 9,389.07
  4. Step 4: Simplify right side
    14,696.64x = 190,328,936.36
  5. Step 5: Solve for x
    x = 190,328,936.36/14,696.64
  6. Step 6: Final answer
    x = 12,950.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.