Home / 9,143.84-13,713.60-4,210.40

Finding the Fourth Proportional to 9,143.84, 13,713.60 and 4,210.40

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Solution

The fourth proportional to 9,143.84, 13,713.60 and 4,210.40 is: 6,314.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,143.84 : 13,713.60 = 4,210.40 : x
  2. Step 2: Convert to fraction form
    9,143.84/13,713.60 = 4,210.40/x
  3. Step 3: Cross multiply
    9,143.84x = 13,713.60 × 4,210.40
  4. Step 4: Simplify right side
    9,143.84x = 57,739,741.44
  5. Step 5: Solve for x
    x = 57,739,741.44/9,143.84
  6. Step 6: Final answer
    x = 6,314.61

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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.