Home / 13,368.08-18,444.75-8,524.80

Finding the Fourth Proportional to 13,368.08, 18,444.75 and 8,524.80

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Solution

The fourth proportional to 13,368.08, 18,444.75 and 8,524.80 is: 11,762.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,368.08 : 18,444.75 = 8,524.80 : x
  2. Step 2: Convert to fraction form
    13,368.08/18,444.75 = 8,524.80/x
  3. Step 3: Cross multiply
    13,368.08x = 18,444.75 × 8,524.80
  4. Step 4: Simplify right side
    13,368.08x = 157,237,804.80
  5. Step 5: Solve for x
    x = 157,237,804.80/13,368.08
  6. Step 6: Final answer
    x = 11,762.19

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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.