Home / 14,670.72-20,217.60-10,471.68

Finding the Fourth Proportional to 14,670.72, 20,217.60 and 10,471.68

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Solution

The fourth proportional to 14,670.72, 20,217.60 and 10,471.68 is: 14,430.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,670.72 : 20,217.60 = 10,471.68 : x
  2. Step 2: Convert to fraction form
    14,670.72/20,217.60 = 10,471.68/x
  3. Step 3: Cross multiply
    14,670.72x = 20,217.60 × 10,471.68
  4. Step 4: Simplify right side
    14,670.72x = 211,712,237.57
  5. Step 5: Solve for x
    x = 211,712,237.57/14,670.72
  6. Step 6: Final answer
    x = 14,430.94

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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.