Home / 13,484.86-20,218.52-5,585.23

Finding the Fourth Proportional to 13,484.86, 20,218.52 and 5,585.23

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Solution

The fourth proportional to 13,484.86, 20,218.52 and 5,585.23 is: 8,374.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,484.86 : 20,218.52 = 5,585.23 : x
  2. Step 2: Convert to fraction form
    13,484.86/20,218.52 = 5,585.23/x
  3. Step 3: Cross multiply
    13,484.86x = 20,218.52 × 5,585.23
  4. Step 4: Simplify right side
    13,484.86x = 112,925,084.46
  5. Step 5: Solve for x
    x = 112,925,084.46/13,484.86
  6. Step 6: Final answer
    x = 8,374.22

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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.