Home / 10,342.40-14,272.43-5,626.67

Finding the Fourth Proportional to 10,342.40, 14,272.43 and 5,626.67

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Solution

The fourth proportional to 10,342.40, 14,272.43 and 5,626.67 is: 7,764.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,342.40 : 14,272.43 = 5,626.67 : x
  2. Step 2: Convert to fraction form
    10,342.40/14,272.43 = 5,626.67/x
  3. Step 3: Cross multiply
    10,342.40x = 14,272.43 × 5,626.67
  4. Step 4: Simplify right side
    10,342.40x = 80,306,154.21
  5. Step 5: Solve for x
    x = 80,306,154.21/10,342.40
  6. Step 6: Final answer
    x = 7,764.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.