Home / 13,565.75-20,441.06-11,154.58

Finding the Fourth Proportional to 13,565.75, 20,441.06 and 11,154.58

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Solution

The fourth proportional to 13,565.75, 20,441.06 and 11,154.58 is: 16,807.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,565.75 : 20,441.06 = 11,154.58 : x
  2. Step 2: Convert to fraction form
    13,565.75/20,441.06 = 11,154.58/x
  3. Step 3: Cross multiply
    13,565.75x = 20,441.06 × 11,154.58
  4. Step 4: Simplify right side
    13,565.75x = 228,011,411.17
  5. Step 5: Solve for x
    x = 228,011,411.17/13,565.75
  6. Step 6: Final answer
    x = 16,807.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.