Home / 15,471.36-23,086.08-13,605.12

Finding the Fourth Proportional to 15,471.36, 23,086.08 and 13,605.12

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Solution

The fourth proportional to 15,471.36, 23,086.08 and 13,605.12 is: 20,301.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,471.36 : 23,086.08 = 13,605.12 : x
  2. Step 2: Convert to fraction form
    15,471.36/23,086.08 = 13,605.12/x
  3. Step 3: Cross multiply
    15,471.36x = 23,086.08 × 13,605.12
  4. Step 4: Simplify right side
    15,471.36x = 314,088,888.73
  5. Step 5: Solve for x
    x = 314,088,888.73/15,471.36
  6. Step 6: Final answer
    x = 20,301.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.