Home / 14,618.06-20,172.92-7,903.68

Finding the Fourth Proportional to 14,618.06, 20,172.92 and 7,903.68

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Solution

The fourth proportional to 14,618.06, 20,172.92 and 7,903.68 is: 10,907.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,618.06 : 20,172.92 = 7,903.68 : x
  2. Step 2: Convert to fraction form
    14,618.06/20,172.92 = 7,903.68/x
  3. Step 3: Cross multiply
    14,618.06x = 20,172.92 × 7,903.68
  4. Step 4: Simplify right side
    14,618.06x = 159,440,264.83
  5. Step 5: Solve for x
    x = 159,440,264.83/14,618.06
  6. Step 6: Final answer
    x = 10,907.08

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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.