Home / 15,700.20-23,543.10-6,930.60

Finding the Fourth Proportional to 15,700.20, 23,543.10 and 6,930.60

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Solution

The fourth proportional to 15,700.20, 23,543.10 and 6,930.60 is: 10,392.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,700.20 : 23,543.10 = 6,930.60 : x
  2. Step 2: Convert to fraction form
    15,700.20/23,543.10 = 6,930.60/x
  3. Step 3: Cross multiply
    15,700.20x = 23,543.10 × 6,930.60
  4. Step 4: Simplify right side
    15,700.20x = 163,167,808.86
  5. Step 5: Solve for x
    x = 163,167,808.86/15,700.20
  6. Step 6: Final answer
    x = 10,392.72

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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.