Home / 15,378.39-23,068.88-4,285.14

Finding the Fourth Proportional to 15,378.39, 23,068.88 and 4,285.14

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Solution

The fourth proportional to 15,378.39, 23,068.88 and 4,285.14 is: 6,428.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,378.39 : 23,068.88 = 4,285.14 : x
  2. Step 2: Convert to fraction form
    15,378.39/23,068.88 = 4,285.14/x
  3. Step 3: Cross multiply
    15,378.39x = 23,068.88 × 4,285.14
  4. Step 4: Simplify right side
    15,378.39x = 98,853,380.44
  5. Step 5: Solve for x
    x = 98,853,380.44/15,378.39
  6. Step 6: Final answer
    x = 6,428.07

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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.