Home / 13,585.50-18,779.37-11,334.24

Finding the Fourth Proportional to 13,585.50, 18,779.37 and 11,334.24

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Solution

The fourth proportional to 13,585.50, 18,779.37 and 11,334.24 is: 15,667.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,585.50 : 18,779.37 = 11,334.24 : x
  2. Step 2: Convert to fraction form
    13,585.50/18,779.37 = 11,334.24/x
  3. Step 3: Cross multiply
    13,585.50x = 18,779.37 × 11,334.24
  4. Step 4: Simplify right side
    13,585.50x = 212,849,886.63
  5. Step 5: Solve for x
    x = 212,849,886.63/13,585.50
  6. Step 6: Final answer
    x = 15,667.43

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Double scale
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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.