Home / 15,680.08-23,521.08-6,318.64

Finding the Fourth Proportional to 15,680.08, 23,521.08 and 6,318.64

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Solution

The fourth proportional to 15,680.08, 23,521.08 and 6,318.64 is: 9,478.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,680.08 : 23,521.08 = 6,318.64 : x
  2. Step 2: Convert to fraction form
    15,680.08/23,521.08 = 6,318.64/x
  3. Step 3: Cross multiply
    15,680.08x = 23,521.08 × 6,318.64
  4. Step 4: Simplify right side
    15,680.08x = 148,621,236.93
  5. Step 5: Solve for x
    x = 148,621,236.93/15,680.08
  6. Step 6: Final answer
    x = 9,478.35

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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.