Home / 14,556.31-20,041.65-13,226.03

Finding the Fourth Proportional to 14,556.31, 20,041.65 and 13,226.03

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Solution

The fourth proportional to 14,556.31, 20,041.65 and 13,226.03 is: 18,210.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,556.31 : 20,041.65 = 13,226.03 : x
  2. Step 2: Convert to fraction form
    14,556.31/20,041.65 = 13,226.03/x
  3. Step 3: Cross multiply
    14,556.31x = 20,041.65 × 13,226.03
  4. Step 4: Simplify right side
    14,556.31x = 265,071,464.15
  5. Step 5: Solve for x
    x = 265,071,464.15/14,556.31
  6. Step 6: Final answer
    x = 18,210.08

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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.