Home / 15,484.68-23,229.81-5,637.78

Finding the Fourth Proportional to 15,484.68, 23,229.81 and 5,637.78

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Solution

The fourth proportional to 15,484.68, 23,229.81 and 5,637.78 is: 8,457.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,484.68 : 23,229.81 = 5,637.78 : x
  2. Step 2: Convert to fraction form
    15,484.68/23,229.81 = 5,637.78/x
  3. Step 3: Cross multiply
    15,484.68x = 23,229.81 × 5,637.78
  4. Step 4: Simplify right side
    15,484.68x = 130,964,558.22
  5. Step 5: Solve for x
    x = 130,964,558.22/15,484.68
  6. Step 6: Final answer
    x = 8,457.69

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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.