Home / 43,498.68-65,247.13-13,916.51

Finding the Fourth Proportional to 43,498.68, 65,247.13 and 13,916.51

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Solution

The fourth proportional to 43,498.68, 65,247.13 and 13,916.51 is: 20,874.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,498.68 : 65,247.13 = 13,916.51 : x
  2. Step 2: Convert to fraction form
    43,498.68/65,247.13 = 13,916.51/x
  3. Step 3: Cross multiply
    43,498.68x = 65,247.13 × 13,916.51
  4. Step 4: Simplify right side
    43,498.68x = 908,012,337.12
  5. Step 5: Solve for x
    x = 908,012,337.12/43,498.68
  6. Step 6: Final answer
    x = 20,874.48

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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.