Home / 13,585.40-20,382.53-6,566.22

Finding the Fourth Proportional to 13,585.40, 20,382.53 and 6,566.22

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Solution

The fourth proportional to 13,585.40, 20,382.53 and 6,566.22 is: 9,851.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,585.40 : 20,382.53 = 6,566.22 : x
  2. Step 2: Convert to fraction form
    13,585.40/20,382.53 = 6,566.22/x
  3. Step 3: Cross multiply
    13,585.40x = 20,382.53 × 6,566.22
  4. Step 4: Simplify right side
    13,585.40x = 133,836,176.14
  5. Step 5: Solve for x
    x = 133,836,176.14/13,585.40
  6. Step 6: Final answer
    x = 9,851.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.