Home / 12,566.40-18,837.20-7,022.40

Finding the Fourth Proportional to 12,566.40, 18,837.20 and 7,022.40

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Solution

The fourth proportional to 12,566.40, 18,837.20 and 7,022.40 is: 10,526.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,566.40 : 18,837.20 = 7,022.40 : x
  2. Step 2: Convert to fraction form
    12,566.40/18,837.20 = 7,022.40/x
  3. Step 3: Cross multiply
    12,566.40x = 18,837.20 × 7,022.40
  4. Step 4: Simplify right side
    12,566.40x = 132,282,353.28
  5. Step 5: Solve for x
    x = 132,282,353.28/12,566.40
  6. Step 6: Final answer
    x = 10,526.67

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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.