Home / 10,218.39-15,314.76-4,368.12

Finding the Fourth Proportional to 10,218.39, 15,314.76 and 4,368.12

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Solution

The fourth proportional to 10,218.39, 15,314.76 and 4,368.12 is: 6,546.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,218.39 : 15,314.76 = 4,368.12 : x
  2. Step 2: Convert to fraction form
    10,218.39/15,314.76 = 4,368.12/x
  3. Step 3: Cross multiply
    10,218.39x = 15,314.76 × 4,368.12
  4. Step 4: Simplify right side
    10,218.39x = 66,896,709.45
  5. Step 5: Solve for x
    x = 66,896,709.45/10,218.39
  6. Step 6: Final answer
    x = 6,546.70

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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.