Home / 13,361.36-18,427.40-10,012.08

Finding the Fourth Proportional to 13,361.36, 18,427.40 and 10,012.08

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Solution

The fourth proportional to 13,361.36, 18,427.40 and 10,012.08 is: 13,808.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,361.36 : 18,427.40 = 10,012.08 : x
  2. Step 2: Convert to fraction form
    13,361.36/18,427.40 = 10,012.08/x
  3. Step 3: Cross multiply
    13,361.36x = 18,427.40 × 10,012.08
  4. Step 4: Simplify right side
    13,361.36x = 184,496,602.99
  5. Step 5: Solve for x
    x = 184,496,602.99/13,361.36
  6. Step 6: Final answer
    x = 13,808.22

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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.