Home / 15,378.52-23,068.62-4,285.20

Finding the Fourth Proportional to 15,378.52, 23,068.62 and 4,285.20

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Solution

The fourth proportional to 15,378.52, 23,068.62 and 4,285.20 is: 6,428.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,378.52 : 23,068.62 = 4,285.20 : x
  2. Step 2: Convert to fraction form
    15,378.52/23,068.62 = 4,285.20/x
  3. Step 3: Cross multiply
    15,378.52x = 23,068.62 × 4,285.20
  4. Step 4: Simplify right side
    15,378.52x = 98,853,650.42
  5. Step 5: Solve for x
    x = 98,853,650.42/15,378.52
  6. Step 6: Final answer
    x = 6,428.03

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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.