Home / 11,114.61-16,667.86-4,870.32

Finding the Fourth Proportional to 11,114.61, 16,667.86 and 4,870.32

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Solution

The fourth proportional to 11,114.61, 16,667.86 and 4,870.32 is: 7,303.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,114.61 : 16,667.86 = 4,870.32 : x
  2. Step 2: Convert to fraction form
    11,114.61/16,667.86 = 4,870.32/x
  3. Step 3: Cross multiply
    11,114.61x = 16,667.86 × 4,870.32
  4. Step 4: Simplify right side
    11,114.61x = 81,177,811.92
  5. Step 5: Solve for x
    x = 81,177,811.92/11,114.61
  6. Step 6: Final answer
    x = 7,303.70

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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.