Home / 18,457.79-25,471.74-10,074.29

Finding the Fourth Proportional to 18,457.79, 25,471.74 and 10,074.29

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Solution

The fourth proportional to 18,457.79, 25,471.74 and 10,074.29 is: 13,902.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,457.79 : 25,471.74 = 10,074.29 : x
  2. Step 2: Convert to fraction form
    18,457.79/25,471.74 = 10,074.29/x
  3. Step 3: Cross multiply
    18,457.79x = 25,471.74 × 10,074.29
  4. Step 4: Simplify right side
    18,457.79x = 256,609,631.89
  5. Step 5: Solve for x
    x = 256,609,631.89/18,457.79
  6. Step 6: Final answer
    x = 13,902.51

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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.