Home / 21,620.18-32,430.36-6,037.76

Finding the Fourth Proportional to 21,620.18, 32,430.36 and 6,037.76

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Solution

The fourth proportional to 21,620.18, 32,430.36 and 6,037.76 is: 9,056.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,620.18 : 32,430.36 = 6,037.76 : x
  2. Step 2: Convert to fraction form
    21,620.18/32,430.36 = 6,037.76/x
  3. Step 3: Cross multiply
    21,620.18x = 32,430.36 × 6,037.76
  4. Step 4: Simplify right side
    21,620.18x = 195,806,730.39
  5. Step 5: Solve for x
    x = 195,806,730.39/21,620.18
  6. Step 6: Final answer
    x = 9,056.67

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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.