Home / 18,681.12-25,779.96-10,297.56

Finding the Fourth Proportional to 18,681.12, 25,779.96 and 10,297.56

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Solution

The fourth proportional to 18,681.12, 25,779.96 and 10,297.56 is: 14,210.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,681.12 : 25,779.96 = 10,297.56 : x
  2. Step 2: Convert to fraction form
    18,681.12/25,779.96 = 10,297.56/x
  3. Step 3: Cross multiply
    18,681.12x = 25,779.96 × 10,297.56
  4. Step 4: Simplify right side
    18,681.12x = 265,470,684.90
  5. Step 5: Solve for x
    x = 265,470,684.90/18,681.12
  6. Step 6: Final answer
    x = 14,210.64

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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.