Home / 8,595.20-12,870.12-7,423.76

Finding the Fourth Proportional to 8,595.20, 12,870.12 and 7,423.76

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Solution

The fourth proportional to 8,595.20, 12,870.12 and 7,423.76 is: 11,116.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,595.20 : 12,870.12 = 7,423.76 : x
  2. Step 2: Convert to fraction form
    8,595.20/12,870.12 = 7,423.76/x
  3. Step 3: Cross multiply
    8,595.20x = 12,870.12 × 7,423.76
  4. Step 4: Simplify right side
    8,595.20x = 95,544,682.05
  5. Step 5: Solve for x
    x = 95,544,682.05/8,595.20
  6. Step 6: Final answer
    x = 11,116.05

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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.