Home / 13,585.93-18,744.48-8,555.13

Finding the Fourth Proportional to 13,585.93, 18,744.48 and 8,555.13

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Solution

The fourth proportional to 13,585.93, 18,744.48 and 8,555.13 is: 11,803.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,585.93 : 18,744.48 = 8,555.13 : x
  2. Step 2: Convert to fraction form
    13,585.93/18,744.48 = 8,555.13/x
  3. Step 3: Cross multiply
    13,585.93x = 18,744.48 × 8,555.13
  4. Step 4: Simplify right side
    13,585.93x = 160,361,463.18
  5. Step 5: Solve for x
    x = 160,361,463.18/13,585.93
  6. Step 6: Final answer
    x = 11,803.50

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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.