Home / 20,064.84-30,095.34-6,915.40

Finding the Fourth Proportional to 20,064.84, 30,095.34 and 6,915.40

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Solution

The fourth proportional to 20,064.84, 30,095.34 and 6,915.40 is: 10,372.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,064.84 : 30,095.34 = 6,915.40 : x
  2. Step 2: Convert to fraction form
    20,064.84/30,095.34 = 6,915.40/x
  3. Step 3: Cross multiply
    20,064.84x = 30,095.34 × 6,915.40
  4. Step 4: Simplify right side
    20,064.84x = 208,121,314.24
  5. Step 5: Solve for x
    x = 208,121,314.24/20,064.84
  6. Step 6: Final answer
    x = 10,372.44

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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.