Home / 16,840.81-25,244.36-13,888.36

Finding the Fourth Proportional to 16,840.81, 25,244.36 and 13,888.36

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Solution

The fourth proportional to 16,840.81, 25,244.36 and 13,888.36 is: 20,818.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,840.81 : 25,244.36 = 13,888.36 : x
  2. Step 2: Convert to fraction form
    16,840.81/25,244.36 = 13,888.36/x
  3. Step 3: Cross multiply
    16,840.81x = 25,244.36 × 13,888.36
  4. Step 4: Simplify right side
    16,840.81x = 350,602,773.84
  5. Step 5: Solve for x
    x = 350,602,773.84/16,840.81
  6. Step 6: Final answer
    x = 20,818.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.