Home / 13,322.36-18,384.81-7,354.35

Finding the Fourth Proportional to 13,322.36, 18,384.81 and 7,354.35

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Solution

The fourth proportional to 13,322.36, 18,384.81 and 7,354.35 is: 10,148.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,322.36 : 18,384.81 = 7,354.35 : x
  2. Step 2: Convert to fraction form
    13,322.36/18,384.81 = 7,354.35/x
  3. Step 3: Cross multiply
    13,322.36x = 18,384.81 × 7,354.35
  4. Step 4: Simplify right side
    13,322.36x = 135,208,327.42
  5. Step 5: Solve for x
    x = 135,208,327.42/13,322.36
  6. Step 6: Final answer
    x = 10,148.98

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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.