Home / 13,565.84-20,345.57-3,702.77

Finding the Fourth Proportional to 13,565.84, 20,345.57 and 3,702.77

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Solution

The fourth proportional to 13,565.84, 20,345.57 and 3,702.77 is: 5,553.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,565.84 : 20,345.57 = 3,702.77 : x
  2. Step 2: Convert to fraction form
    13,565.84/20,345.57 = 3,702.77/x
  3. Step 3: Cross multiply
    13,565.84x = 20,345.57 × 3,702.77
  4. Step 4: Simplify right side
    13,565.84x = 75,334,966.23
  5. Step 5: Solve for x
    x = 75,334,966.23/13,565.84
  6. Step 6: Final answer
    x = 5,553.28

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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.