Home / 18,430.96-25,434.64-10,471.60

Finding the Fourth Proportional to 18,430.96, 25,434.64 and 10,471.60

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Solution

The fourth proportional to 18,430.96, 25,434.64 and 10,471.60 is: 14,450.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,430.96 : 25,434.64 = 10,471.60 : x
  2. Step 2: Convert to fraction form
    18,430.96/25,434.64 = 10,471.60/x
  3. Step 3: Cross multiply
    18,430.96x = 25,434.64 × 10,471.60
  4. Step 4: Simplify right side
    18,430.96x = 266,341,376.22
  5. Step 5: Solve for x
    x = 266,341,376.22/18,430.96
  6. Step 6: Final answer
    x = 14,450.76

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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.